{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:JEQHFRUQX2C72S65LPYS3ALOP7","short_pith_number":"pith:JEQHFRUQ","canonical_record":{"source":{"id":"2107.05206","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-07-12T05:46:03Z","cross_cats_sorted":[],"title_canon_sha256":"bae28e47e01fa3ad6cdb36fea1271304509ba032178b230a564f25578861204e","abstract_canon_sha256":"084cafe9124619e0e4dbdbc7a6d926f102e8276d4b7ffb149d23e2a9f9c54320"},"schema_version":"1.0"},"canonical_sha256":"492072c690be85fd4bdd5bf12d816e7fd783be2a0644f8d2d1f43a08394b626e","source":{"kind":"arxiv","id":"2107.05206","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.05206","created_at":"2026-07-05T03:04:55Z"},{"alias_kind":"arxiv_version","alias_value":"2107.05206v1","created_at":"2026-07-05T03:04:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.05206","created_at":"2026-07-05T03:04:55Z"},{"alias_kind":"pith_short_12","alias_value":"JEQHFRUQX2C7","created_at":"2026-07-05T03:04:55Z"},{"alias_kind":"pith_short_16","alias_value":"JEQHFRUQX2C72S65","created_at":"2026-07-05T03:04:55Z"},{"alias_kind":"pith_short_8","alias_value":"JEQHFRUQ","created_at":"2026-07-05T03:04:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:JEQHFRUQX2C72S65LPYS3ALOP7","target":"record","payload":{"canonical_record":{"source":{"id":"2107.05206","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-07-12T05:46:03Z","cross_cats_sorted":[],"title_canon_sha256":"bae28e47e01fa3ad6cdb36fea1271304509ba032178b230a564f25578861204e","abstract_canon_sha256":"084cafe9124619e0e4dbdbc7a6d926f102e8276d4b7ffb149d23e2a9f9c54320"},"schema_version":"1.0"},"canonical_sha256":"492072c690be85fd4bdd5bf12d816e7fd783be2a0644f8d2d1f43a08394b626e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:04:55.861973Z","signature_b64":"ICEXlD1ip0EszZeFPjO8Rm7gkeo6vDk41BvU5g6+FtkMIrUrE2JNUfy+NNvhmoG0Km07qRktD8TT+TROoff2Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"492072c690be85fd4bdd5bf12d816e7fd783be2a0644f8d2d1f43a08394b626e","last_reissued_at":"2026-07-05T03:04:55.861591Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:04:55.861591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.05206","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:04:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1tmLb6Ond+WMJ9eqWdgIbUT8d7ih7XEaD02l2EEppKH+Pr22mdPwH+ooTjcbNenT6Q47a/UZbEHhwekfSZiDBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:10:28.559932Z"},"content_sha256":"b31f72d1c1356ee26c050161c9e0fee8bcdb9e8d25d4d2134e90d90f6f858bea","schema_version":"1.0","event_id":"sha256:b31f72d1c1356ee26c050161c9e0fee8bcdb9e8d25d4d2134e90d90f6f858bea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:JEQHFRUQX2C72S65LPYS3ALOP7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Total mass density slopes of early-type galaxies using Jeans dynamical modelling at redshifts $0.29 < z < 0.55$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adriano Poci, Caro Derkenne, Eric Emsellem, Inger J{\\o}rgensen, Rhea-Silvia Remus, Richard M. McDermid","submitted_at":"2021-07-12T05:46:03Z","abstract_excerpt":"The change of the total mass density slope, $\\gamma$, of early-type galaxies through cosmic time is a probe of evolutionary pathways. Hydrodynamical cosmological simulations show that at high redshifts density profiles of early-type galaxies were on average steep ($\\gamma \\sim -3$). As redshift approaches zero, gas-poor mergers progressively cause the total mass density slope to approach the `isothermal' slope of $\\gamma \\sim -2$. Simulations therefore predict steep density slopes at high redshifts, with little to no evolution in density slopes below $z \\sim 1$. Gravitational lensing results i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.05206","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2107.05206/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:04:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mAqePNj/qcLZ3QW4qtHt8BByhAwBvKha5SqbGEw1DCBeNG6qR0MPA1Ez4A+821+JAUQU5ivaJzwMSKcHFKquBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:10:28.560297Z"},"content_sha256":"0a986614231a396c953d38c5e12b3bdf1560b05dd9f12fdf3937fdd091510657","schema_version":"1.0","event_id":"sha256:0a986614231a396c953d38c5e12b3bdf1560b05dd9f12fdf3937fdd091510657"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JEQHFRUQX2C72S65LPYS3ALOP7/bundle.json","state_url":"https://pith.science/pith/JEQHFRUQX2C72S65LPYS3ALOP7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JEQHFRUQX2C72S65LPYS3ALOP7/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-07T13:10:28Z","links":{"resolver":"https://pith.science/pith/JEQHFRUQX2C72S65LPYS3ALOP7","bundle":"https://pith.science/pith/JEQHFRUQX2C72S65LPYS3ALOP7/bundle.json","state":"https://pith.science/pith/JEQHFRUQX2C72S65LPYS3ALOP7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JEQHFRUQX2C72S65LPYS3ALOP7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:JEQHFRUQX2C72S65LPYS3ALOP7","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"084cafe9124619e0e4dbdbc7a6d926f102e8276d4b7ffb149d23e2a9f9c54320","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-07-12T05:46:03Z","title_canon_sha256":"bae28e47e01fa3ad6cdb36fea1271304509ba032178b230a564f25578861204e"},"schema_version":"1.0","source":{"id":"2107.05206","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.05206","created_at":"2026-07-05T03:04:55Z"},{"alias_kind":"arxiv_version","alias_value":"2107.05206v1","created_at":"2026-07-05T03:04:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.05206","created_at":"2026-07-05T03:04:55Z"},{"alias_kind":"pith_short_12","alias_value":"JEQHFRUQX2C7","created_at":"2026-07-05T03:04:55Z"},{"alias_kind":"pith_short_16","alias_value":"JEQHFRUQX2C72S65","created_at":"2026-07-05T03:04:55Z"},{"alias_kind":"pith_short_8","alias_value":"JEQHFRUQ","created_at":"2026-07-05T03:04:55Z"}],"graph_snapshots":[{"event_id":"sha256:0a986614231a396c953d38c5e12b3bdf1560b05dd9f12fdf3937fdd091510657","target":"graph","created_at":"2026-07-05T03:04:55Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2107.05206/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The change of the total mass density slope, $\\gamma$, of early-type galaxies through cosmic time is a probe of evolutionary pathways. Hydrodynamical cosmological simulations show that at high redshifts density profiles of early-type galaxies were on average steep ($\\gamma \\sim -3$). As redshift approaches zero, gas-poor mergers progressively cause the total mass density slope to approach the `isothermal' slope of $\\gamma \\sim -2$. Simulations therefore predict steep density slopes at high redshifts, with little to no evolution in density slopes below $z \\sim 1$. Gravitational lensing results i","authors_text":"Adriano Poci, Caro Derkenne, Eric Emsellem, Inger J{\\o}rgensen, Rhea-Silvia Remus, Richard M. McDermid","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-07-12T05:46:03Z","title":"Total mass density slopes of early-type galaxies using Jeans dynamical modelling at redshifts $0.29 < z < 0.55$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.05206","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:b31f72d1c1356ee26c050161c9e0fee8bcdb9e8d25d4d2134e90d90f6f858bea","target":"record","created_at":"2026-07-05T03:04:55Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"084cafe9124619e0e4dbdbc7a6d926f102e8276d4b7ffb149d23e2a9f9c54320","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-07-12T05:46:03Z","title_canon_sha256":"bae28e47e01fa3ad6cdb36fea1271304509ba032178b230a564f25578861204e"},"schema_version":"1.0","source":{"id":"2107.05206","kind":"arxiv","version":1}},"canonical_sha256":"492072c690be85fd4bdd5bf12d816e7fd783be2a0644f8d2d1f43a08394b626e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"492072c690be85fd4bdd5bf12d816e7fd783be2a0644f8d2d1f43a08394b626e","first_computed_at":"2026-07-05T03:04:55.861591Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:04:55.861591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ICEXlD1ip0EszZeFPjO8Rm7gkeo6vDk41BvU5g6+FtkMIrUrE2JNUfy+NNvhmoG0Km07qRktD8TT+TROoff2Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:04:55.861973Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.05206","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b31f72d1c1356ee26c050161c9e0fee8bcdb9e8d25d4d2134e90d90f6f858bea","sha256:0a986614231a396c953d38c5e12b3bdf1560b05dd9f12fdf3937fdd091510657"],"state_sha256":"a408bfd61717896242ccb484288e0c279c6161345ca61e8b1ee44f0a646017a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fRwg+R8Dn0ygJ4hamdzADArk7rKrsUGWgvI90NdpQ6HKEGnhI0IbPYwH37IQylge89xZXIMirA+X0Iqw3bzXDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:10:28.562182Z","bundle_sha256":"1e2edd116afca2a9d3d850ab3ea49820583269277e3c7f4923984b410ded243b"}}