{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:HCSAVYLVM5O3GU3CSK2SV6JW5G","short_pith_number":"pith:HCSAVYLV","canonical_record":{"source":{"id":"astro-ph/0101543","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-01-30T20:19:09Z","cross_cats_sorted":[],"title_canon_sha256":"68d7c1b93b7115410267be65f78a6315f209090d84093d8ed6d847a13afad6be","abstract_canon_sha256":"7caf0a51962f08b00504cc5399c8e8dd3bcf051769ee9eecc1ba194ad65a118a"},"schema_version":"1.0"},"canonical_sha256":"38a40ae175675db3536292b52af936e99e607deae4004522b6346ced13d9d6f7","source":{"kind":"arxiv","id":"astro-ph/0101543","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0101543","created_at":"2026-07-04T16:22:38Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0101543v2","created_at":"2026-07-04T16:22:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0101543","created_at":"2026-07-04T16:22:38Z"},{"alias_kind":"pith_short_12","alias_value":"HCSAVYLVM5O3","created_at":"2026-07-04T16:22:38Z"},{"alias_kind":"pith_short_16","alias_value":"HCSAVYLVM5O3GU3C","created_at":"2026-07-04T16:22:38Z"},{"alias_kind":"pith_short_8","alias_value":"HCSAVYLV","created_at":"2026-07-04T16:22:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:HCSAVYLVM5O3GU3CSK2SV6JW5G","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0101543","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-01-30T20:19:09Z","cross_cats_sorted":[],"title_canon_sha256":"68d7c1b93b7115410267be65f78a6315f209090d84093d8ed6d847a13afad6be","abstract_canon_sha256":"7caf0a51962f08b00504cc5399c8e8dd3bcf051769ee9eecc1ba194ad65a118a"},"schema_version":"1.0"},"canonical_sha256":"38a40ae175675db3536292b52af936e99e607deae4004522b6346ced13d9d6f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:22:38.610851Z","signature_b64":"PNT2WZe/9ldVwwLZVKrZ7NHUSi1JEB1kWApAqs5LuOTKjoW/GSs3AjE4ddZsDuBhWNM0pqBX8zY2JyiRyMFzBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38a40ae175675db3536292b52af936e99e607deae4004522b6346ced13d9d6f7","last_reissued_at":"2026-07-04T16:22:38.610289Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:22:38.610289Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0101543","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:22:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6zIfKyLou7YcDZmcwO1hR+GeGxCr3Gu1nt7rgabFs2OcpXDDqLZRaG6G7L1U7WHCK6JrDIMYcRf7dfkK6mJwAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T02:58:43.887767Z"},"content_sha256":"e4e2272f681f442efb553716452bc7fb1e8a4bb1ca0ee410cc09b62314e312f9","schema_version":"1.0","event_id":"sha256:e4e2272f681f442efb553716452bc7fb1e8a4bb1ca0ee410cc09b62314e312f9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:HCSAVYLVM5O3GU3CSK2SV6JW5G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interpreting Debris from Satellite Disruption In External Galaxies","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"James S. Bullock (Ohio State University), Kathryn V. Johnston (Wesleyan University), Penny D. Sackett (University of Gronigen)","submitted_at":"2001-01-30T20:19:09Z","abstract_excerpt":"We examine the detectability and interpretation of debris trails caused by satellite disruption in external galaxies using semi-analytic approximations for the dependence of streamer length, width and surface brightness on satellite and primary galaxy characteristics. The semi-analytic method is tested successfully against N-body simulations and then applied to three representative astronomical applications. First, we show how streamer properties can be used to estimate mass-to-light ratios $\\Upsilon$ and streamer ages of totally disrupted satellites, and apply the method to the stellar arc in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0101543","kind":"arxiv","version":2},"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/astro-ph/0101543/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":"2026-07-04T16:22:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+pDY4mMfx/jtiqDQ9ReMT1mloqc7lcPMGWtNxJkZUgNXXVW91WqKaAL+p6T60L/+go4O31rszwYsfm8lw8pqAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T02:58:43.888098Z"},"content_sha256":"e6823c69c13342a78ee5659eee911c9d44f658635061cc96925ac0a87c703977","schema_version":"1.0","event_id":"sha256:e6823c69c13342a78ee5659eee911c9d44f658635061cc96925ac0a87c703977"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HCSAVYLVM5O3GU3CSK2SV6JW5G/bundle.json","state_url":"https://pith.science/pith/HCSAVYLVM5O3GU3CSK2SV6JW5G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HCSAVYLVM5O3GU3CSK2SV6JW5G/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":"2026-08-14T02:58:43Z","links":{"resolver":"https://pith.science/pith/HCSAVYLVM5O3GU3CSK2SV6JW5G","bundle":"https://pith.science/pith/HCSAVYLVM5O3GU3CSK2SV6JW5G/bundle.json","state":"https://pith.science/pith/HCSAVYLVM5O3GU3CSK2SV6JW5G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HCSAVYLVM5O3GU3CSK2SV6JW5G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:HCSAVYLVM5O3GU3CSK2SV6JW5G","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":"7caf0a51962f08b00504cc5399c8e8dd3bcf051769ee9eecc1ba194ad65a118a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-01-30T20:19:09Z","title_canon_sha256":"68d7c1b93b7115410267be65f78a6315f209090d84093d8ed6d847a13afad6be"},"schema_version":"1.0","source":{"id":"astro-ph/0101543","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0101543","created_at":"2026-07-04T16:22:38Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0101543v2","created_at":"2026-07-04T16:22:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0101543","created_at":"2026-07-04T16:22:38Z"},{"alias_kind":"pith_short_12","alias_value":"HCSAVYLVM5O3","created_at":"2026-07-04T16:22:38Z"},{"alias_kind":"pith_short_16","alias_value":"HCSAVYLVM5O3GU3C","created_at":"2026-07-04T16:22:38Z"},{"alias_kind":"pith_short_8","alias_value":"HCSAVYLV","created_at":"2026-07-04T16:22:38Z"}],"graph_snapshots":[{"event_id":"sha256:e6823c69c13342a78ee5659eee911c9d44f658635061cc96925ac0a87c703977","target":"graph","created_at":"2026-07-04T16:22:38Z","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/astro-ph/0101543/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We examine the detectability and interpretation of debris trails caused by satellite disruption in external galaxies using semi-analytic approximations for the dependence of streamer length, width and surface brightness on satellite and primary galaxy characteristics. The semi-analytic method is tested successfully against N-body simulations and then applied to three representative astronomical applications. First, we show how streamer properties can be used to estimate mass-to-light ratios $\\Upsilon$ and streamer ages of totally disrupted satellites, and apply the method to the stellar arc in","authors_text":"James S. Bullock (Ohio State University), Kathryn V. Johnston (Wesleyan University), Penny D. Sackett (University of Gronigen)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2001-01-30T20:19:09Z","title":"Interpreting Debris from Satellite Disruption In External Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0101543","kind":"arxiv","version":2},"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:e4e2272f681f442efb553716452bc7fb1e8a4bb1ca0ee410cc09b62314e312f9","target":"record","created_at":"2026-07-04T16:22:38Z","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":"7caf0a51962f08b00504cc5399c8e8dd3bcf051769ee9eecc1ba194ad65a118a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-01-30T20:19:09Z","title_canon_sha256":"68d7c1b93b7115410267be65f78a6315f209090d84093d8ed6d847a13afad6be"},"schema_version":"1.0","source":{"id":"astro-ph/0101543","kind":"arxiv","version":2}},"canonical_sha256":"38a40ae175675db3536292b52af936e99e607deae4004522b6346ced13d9d6f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38a40ae175675db3536292b52af936e99e607deae4004522b6346ced13d9d6f7","first_computed_at":"2026-07-04T16:22:38.610289Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:22:38.610289Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PNT2WZe/9ldVwwLZVKrZ7NHUSi1JEB1kWApAqs5LuOTKjoW/GSs3AjE4ddZsDuBhWNM0pqBX8zY2JyiRyMFzBA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:22:38.610851Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0101543","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e4e2272f681f442efb553716452bc7fb1e8a4bb1ca0ee410cc09b62314e312f9","sha256:e6823c69c13342a78ee5659eee911c9d44f658635061cc96925ac0a87c703977"],"state_sha256":"12d267661b38722ed1ddeeea1e267f75aab9880bc1708043c7b12dca1f9a13b4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CIj/csV1o2bXGu34lEj2nfgMSnUA8tfLO2vVFZrSbDgd8wtMhMimVld+nqOou7OI/UZ90PoyY6avGY5V/2G6BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T02:58:43.891447Z","bundle_sha256":"d46a653cd5c7dd8b3faec9b8485b56755d74d1bdb3e62430faa25ef2a662bc9a"}}