{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:IGUNSUMZ3NHBDAS3G6KSPC7XKU","short_pith_number":"pith:IGUNSUMZ","canonical_record":{"source":{"id":"1111.7021","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-30T00:10:43Z","cross_cats_sorted":[],"title_canon_sha256":"a7463d6cad5b50d26a6690593eba7d928c263dccea776a6bd8ee6a4dd4144673","abstract_canon_sha256":"38a3efb55c048139cc76b740aab2ba0226e4c0d4c94d74aa006c8fd4764c3b73"},"schema_version":"1.0"},"canonical_sha256":"41a8d95199db4e11825b3795278bf75536002975ad14e8dbcd582c5a8788c870","source":{"kind":"arxiv","id":"1111.7021","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.7021","created_at":"2026-05-18T01:59:21Z"},{"alias_kind":"arxiv_version","alias_value":"1111.7021v3","created_at":"2026-05-18T01:59:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.7021","created_at":"2026-05-18T01:59:21Z"},{"alias_kind":"pith_short_12","alias_value":"IGUNSUMZ3NHB","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"IGUNSUMZ3NHBDAS3","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"IGUNSUMZ","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:IGUNSUMZ3NHBDAS3G6KSPC7XKU","target":"record","payload":{"canonical_record":{"source":{"id":"1111.7021","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-30T00:10:43Z","cross_cats_sorted":[],"title_canon_sha256":"a7463d6cad5b50d26a6690593eba7d928c263dccea776a6bd8ee6a4dd4144673","abstract_canon_sha256":"38a3efb55c048139cc76b740aab2ba0226e4c0d4c94d74aa006c8fd4764c3b73"},"schema_version":"1.0"},"canonical_sha256":"41a8d95199db4e11825b3795278bf75536002975ad14e8dbcd582c5a8788c870","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:21.481295Z","signature_b64":"1l1qaJoVJJxi+M+RWyR6xoDiTI9bfOknfCSHTvn+yI8j6fLv9ZyrJwYTAXqiIgjLlZXgUIu0ZMMConNzXCE0BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41a8d95199db4e11825b3795278bf75536002975ad14e8dbcd582c5a8788c870","last_reissued_at":"2026-05-18T01:59:21.480631Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:21.480631Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.7021","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:59:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9Nnp+7/rZPAgXrZEZRUajXdZ5ZPqMgKo4+CxljA8uaY4KJx1jSZIB0Tq6FMCk6gIRf0K/KTSsWT0NKv0Uf6xAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:18:01.107932Z"},"content_sha256":"332ea9d5ff8bdad399fe08de4a61c6e4f1846d8c9c8a79a09efeaab6a31a6e0b","schema_version":"1.0","event_id":"sha256:332ea9d5ff8bdad399fe08de4a61c6e4f1846d8c9c8a79a09efeaab6a31a6e0b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:IGUNSUMZ3NHBDAS3G6KSPC7XKU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Herschel Observations of a Potential Core Forming Clump: Perseus B1-E","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"C. Fallscheer, C. Wilson, E. Bressert, F. Motte, G. J. White, J. Di Francesco, J.-P. Bernard, L. Testi, M. Hennemann, M. Reid, N. Peretto, N. Schneider, Ph. Andre, P. Martin, Q. Nguyen Luong, S. Bontemps, S. Chitsazzadeh, S. I. Sadavoy, S. Pezzuto, T. Hill","submitted_at":"2011-11-30T00:10:43Z","abstract_excerpt":"We present continuum observations of the Perseus B1-E region from the Herschel Gould Belt Survey. These Herschel data reveal a loose grouping of substructures at 160 - 500 micron not seen in previous submillimetre observations. We measure temperature and column density from these data and select the nine densest and coolest substructures for follow-up spectral line observations with the Green Bank Telescope. We find that the B1-E clump has a mass of ~ 100 solar masses and appears to be gravitationally bound. Furthermore, of the nine substructures examined here, one substructure (B1-E2) appears"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.7021","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T01:59:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g5uohL0NVqUWJb2sZjK0wXY3MKD0Ka5/yULqCKZ/3SMd0qSqvH2Q0cRrWMzSku2ZEomDLmwAA4BuUabwSUB5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:18:01.108285Z"},"content_sha256":"e70bc67e2a13f7fefec6fc97e19b6191194e699543bd11fe4e15e0af714afec4","schema_version":"1.0","event_id":"sha256:e70bc67e2a13f7fefec6fc97e19b6191194e699543bd11fe4e15e0af714afec4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IGUNSUMZ3NHBDAS3G6KSPC7XKU/bundle.json","state_url":"https://pith.science/pith/IGUNSUMZ3NHBDAS3G6KSPC7XKU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IGUNSUMZ3NHBDAS3G6KSPC7XKU/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":"2026-06-03T18:18:01Z","links":{"resolver":"https://pith.science/pith/IGUNSUMZ3NHBDAS3G6KSPC7XKU","bundle":"https://pith.science/pith/IGUNSUMZ3NHBDAS3G6KSPC7XKU/bundle.json","state":"https://pith.science/pith/IGUNSUMZ3NHBDAS3G6KSPC7XKU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IGUNSUMZ3NHBDAS3G6KSPC7XKU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:IGUNSUMZ3NHBDAS3G6KSPC7XKU","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":"38a3efb55c048139cc76b740aab2ba0226e4c0d4c94d74aa006c8fd4764c3b73","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-30T00:10:43Z","title_canon_sha256":"a7463d6cad5b50d26a6690593eba7d928c263dccea776a6bd8ee6a4dd4144673"},"schema_version":"1.0","source":{"id":"1111.7021","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.7021","created_at":"2026-05-18T01:59:21Z"},{"alias_kind":"arxiv_version","alias_value":"1111.7021v3","created_at":"2026-05-18T01:59:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.7021","created_at":"2026-05-18T01:59:21Z"},{"alias_kind":"pith_short_12","alias_value":"IGUNSUMZ3NHB","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"IGUNSUMZ3NHBDAS3","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"IGUNSUMZ","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:e70bc67e2a13f7fefec6fc97e19b6191194e699543bd11fe4e15e0af714afec4","target":"graph","created_at":"2026-05-18T01:59:21Z","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"},"paper":{"abstract_excerpt":"We present continuum observations of the Perseus B1-E region from the Herschel Gould Belt Survey. These Herschel data reveal a loose grouping of substructures at 160 - 500 micron not seen in previous submillimetre observations. We measure temperature and column density from these data and select the nine densest and coolest substructures for follow-up spectral line observations with the Green Bank Telescope. We find that the B1-E clump has a mass of ~ 100 solar masses and appears to be gravitationally bound. Furthermore, of the nine substructures examined here, one substructure (B1-E2) appears","authors_text":"C. Fallscheer, C. Wilson, E. Bressert, F. Motte, G. J. White, J. Di Francesco, J.-P. Bernard, L. Testi, M. Hennemann, M. Reid, N. Peretto, N. Schneider, Ph. Andre, P. Martin, Q. Nguyen Luong, S. Bontemps, S. Chitsazzadeh, S. I. Sadavoy, S. Pezzuto, T. Hill","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-30T00:10:43Z","title":"Herschel Observations of a Potential Core Forming Clump: Perseus B1-E"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.7021","kind":"arxiv","version":3},"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":"sha256:332ea9d5ff8bdad399fe08de4a61c6e4f1846d8c9c8a79a09efeaab6a31a6e0b","target":"record","created_at":"2026-05-18T01:59:21Z","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":"38a3efb55c048139cc76b740aab2ba0226e4c0d4c94d74aa006c8fd4764c3b73","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-11-30T00:10:43Z","title_canon_sha256":"a7463d6cad5b50d26a6690593eba7d928c263dccea776a6bd8ee6a4dd4144673"},"schema_version":"1.0","source":{"id":"1111.7021","kind":"arxiv","version":3}},"canonical_sha256":"41a8d95199db4e11825b3795278bf75536002975ad14e8dbcd582c5a8788c870","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"41a8d95199db4e11825b3795278bf75536002975ad14e8dbcd582c5a8788c870","first_computed_at":"2026-05-18T01:59:21.480631Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:21.480631Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1l1qaJoVJJxi+M+RWyR6xoDiTI9bfOknfCSHTvn+yI8j6fLv9ZyrJwYTAXqiIgjLlZXgUIu0ZMMConNzXCE0BA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:21.481295Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.7021","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:332ea9d5ff8bdad399fe08de4a61c6e4f1846d8c9c8a79a09efeaab6a31a6e0b","sha256:e70bc67e2a13f7fefec6fc97e19b6191194e699543bd11fe4e15e0af714afec4"],"state_sha256":"c794365709b944d0c8a0a3ec4bf8106fad812e8faaa9567af3d680c7c180d4ab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XdoepIslCBHLX7AlaoxiKZImESU/e98OQGhlX108MdaDLRTFgTNoG8BhjlgepJ/NP4P3PEPQHmVT9GdS0e5GAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T18:18:01.110502Z","bundle_sha256":"1f284d93aaacf25b3ac42a6658d4ce5c0d15b2ab9306530e6610e2f162a10777"}}