{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:CPY36GWUMQ2PZX2FGAJ4LNSQZX","short_pith_number":"pith:CPY36GWU","canonical_record":{"source":{"id":"astro-ph/0506123","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-06-06T19:30:37Z","cross_cats_sorted":[],"title_canon_sha256":"6fed93b305502db92c700f5674703d83f78ffc21ecc7192c3b218b2b9623d865","abstract_canon_sha256":"66696de96a44a57e4bfe95d9c21a0611c2c3633b6df51e91424b603824d63122"},"schema_version":"1.0"},"canonical_sha256":"13f1bf1ad46434fcdf453013c5b650cdc8aab30a0df06742fa6b7ed089d4ccd1","source":{"kind":"arxiv","id":"astro-ph/0506123","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0506123","created_at":"2026-07-04T15:31:19Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0506123v2","created_at":"2026-07-04T15:31:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0506123","created_at":"2026-07-04T15:31:19Z"},{"alias_kind":"pith_short_12","alias_value":"CPY36GWUMQ2P","created_at":"2026-07-04T15:31:19Z"},{"alias_kind":"pith_short_16","alias_value":"CPY36GWUMQ2PZX2F","created_at":"2026-07-04T15:31:19Z"},{"alias_kind":"pith_short_8","alias_value":"CPY36GWU","created_at":"2026-07-04T15:31:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:CPY36GWUMQ2PZX2FGAJ4LNSQZX","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0506123","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-06-06T19:30:37Z","cross_cats_sorted":[],"title_canon_sha256":"6fed93b305502db92c700f5674703d83f78ffc21ecc7192c3b218b2b9623d865","abstract_canon_sha256":"66696de96a44a57e4bfe95d9c21a0611c2c3633b6df51e91424b603824d63122"},"schema_version":"1.0"},"canonical_sha256":"13f1bf1ad46434fcdf453013c5b650cdc8aab30a0df06742fa6b7ed089d4ccd1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:31:19.320912Z","signature_b64":"HmX/Izi63RUphK2I9eJw5qjmwbQ/RrfRMwTFLMNKZZg8dlcjLJTDyHtYHddRvOrHjOZ9VWvdRRdsNxqmKpC5Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"13f1bf1ad46434fcdf453013c5b650cdc8aab30a0df06742fa6b7ed089d4ccd1","last_reissued_at":"2026-07-04T15:31:19.320506Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:31:19.320506Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0506123","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":"2026-07-04T15:31:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cdNQx4OZA8/5HBs0zZx/9astTRAfoJenEza0dhWD35Gyiu6jDcOvXIa9PkzpE5ceELCXNstZ6yVUKBYMtMovAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T03:48:25.268126Z"},"content_sha256":"8ae66310fb9e7ae53aca2e57420a5c5e41826d1282364e8b471f79acb8bed8be","schema_version":"1.0","event_id":"sha256:8ae66310fb9e7ae53aca2e57420a5c5e41826d1282364e8b471f79acb8bed8be"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:CPY36GWUMQ2PZX2FGAJ4LNSQZX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"GRB 050509B: Constraints on short gamma-ray burst models","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Levan, B. L. Jensen, B. Thomsen, C. Kouveliotou, D. Watson, E. Ramirez-Ruiz, J. E. Rhoads, J. Gorosabel, J. Granot, J. Hjorth, J. M. Castro Cer\\'on, J. Melinder, J. P. U. Fynbo, J. Sollerman, K. Pedersen, M. I. Andersen, N. R. Tanvir, P. Jakobsson, P. M. Vreeswijk, R. A. M. J. Wijers, R. Starling, S. Klose","submitted_at":"2005-06-06T19:30:37Z","abstract_excerpt":"We have obtained deep optical images with the Very Large Telescope at ESO of the first well-localized short-duration gamma-ray burst, GRB 050509B. From V and R imaging, initiated ~2 days after the GRB trigger and lasting up to three weeks, we detect no variable object inside the small Swift/XRT X-ray error circle down to 2sigma limits of V = 26.5 and R = 25.1. The X-ray error circle includes a giant elliptical galaxy at z = 0.225, which has been proposed as the likely host of this GRB. Our limits indicate that if the GRB originated at z = 0.225, any supernova-like event accompanying the GRB wo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0506123","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/0506123/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":"2026-07-04T15:31:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fBp+Z9wqO5Wdn1CtOTrs46CMdWqiiL2ZaQG+VXLw7mmNX10CjqOL5Q3P/3HIDr4/fooXbbrc+QKGti3PwskQDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T03:48:25.268514Z"},"content_sha256":"2b2c590fb028cf3eda6e6cb0db95d465d39150580f0f694dd3afbf971d0d7d96","schema_version":"1.0","event_id":"sha256:2b2c590fb028cf3eda6e6cb0db95d465d39150580f0f694dd3afbf971d0d7d96"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CPY36GWUMQ2PZX2FGAJ4LNSQZX/bundle.json","state_url":"https://pith.science/pith/CPY36GWUMQ2PZX2FGAJ4LNSQZX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CPY36GWUMQ2PZX2FGAJ4LNSQZX/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":"2026-07-16T03:48:25Z","links":{"resolver":"https://pith.science/pith/CPY36GWUMQ2PZX2FGAJ4LNSQZX","bundle":"https://pith.science/pith/CPY36GWUMQ2PZX2FGAJ4LNSQZX/bundle.json","state":"https://pith.science/pith/CPY36GWUMQ2PZX2FGAJ4LNSQZX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CPY36GWUMQ2PZX2FGAJ4LNSQZX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:CPY36GWUMQ2PZX2FGAJ4LNSQZX","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":"66696de96a44a57e4bfe95d9c21a0611c2c3633b6df51e91424b603824d63122","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-06-06T19:30:37Z","title_canon_sha256":"6fed93b305502db92c700f5674703d83f78ffc21ecc7192c3b218b2b9623d865"},"schema_version":"1.0","source":{"id":"astro-ph/0506123","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0506123","created_at":"2026-07-04T15:31:19Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0506123v2","created_at":"2026-07-04T15:31:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0506123","created_at":"2026-07-04T15:31:19Z"},{"alias_kind":"pith_short_12","alias_value":"CPY36GWUMQ2P","created_at":"2026-07-04T15:31:19Z"},{"alias_kind":"pith_short_16","alias_value":"CPY36GWUMQ2PZX2F","created_at":"2026-07-04T15:31:19Z"},{"alias_kind":"pith_short_8","alias_value":"CPY36GWU","created_at":"2026-07-04T15:31:19Z"}],"graph_snapshots":[{"event_id":"sha256:2b2c590fb028cf3eda6e6cb0db95d465d39150580f0f694dd3afbf971d0d7d96","target":"graph","created_at":"2026-07-04T15:31:19Z","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/0506123/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have obtained deep optical images with the Very Large Telescope at ESO of the first well-localized short-duration gamma-ray burst, GRB 050509B. From V and R imaging, initiated ~2 days after the GRB trigger and lasting up to three weeks, we detect no variable object inside the small Swift/XRT X-ray error circle down to 2sigma limits of V = 26.5 and R = 25.1. The X-ray error circle includes a giant elliptical galaxy at z = 0.225, which has been proposed as the likely host of this GRB. Our limits indicate that if the GRB originated at z = 0.225, any supernova-like event accompanying the GRB wo","authors_text":"A. Levan, B. L. Jensen, B. Thomsen, C. Kouveliotou, D. Watson, E. Ramirez-Ruiz, J. E. Rhoads, J. Gorosabel, J. Granot, J. Hjorth, J. M. Castro Cer\\'on, J. Melinder, J. P. U. Fynbo, J. Sollerman, K. Pedersen, M. I. Andersen, N. R. Tanvir, P. Jakobsson, P. M. Vreeswijk, R. A. M. J. Wijers, R. Starling, S. Klose","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-06-06T19:30:37Z","title":"GRB 050509B: Constraints on short gamma-ray burst models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0506123","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":"sha256:8ae66310fb9e7ae53aca2e57420a5c5e41826d1282364e8b471f79acb8bed8be","target":"record","created_at":"2026-07-04T15:31:19Z","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":"66696de96a44a57e4bfe95d9c21a0611c2c3633b6df51e91424b603824d63122","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-06-06T19:30:37Z","title_canon_sha256":"6fed93b305502db92c700f5674703d83f78ffc21ecc7192c3b218b2b9623d865"},"schema_version":"1.0","source":{"id":"astro-ph/0506123","kind":"arxiv","version":2}},"canonical_sha256":"13f1bf1ad46434fcdf453013c5b650cdc8aab30a0df06742fa6b7ed089d4ccd1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"13f1bf1ad46434fcdf453013c5b650cdc8aab30a0df06742fa6b7ed089d4ccd1","first_computed_at":"2026-07-04T15:31:19.320506Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:31:19.320506Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HmX/Izi63RUphK2I9eJw5qjmwbQ/RrfRMwTFLMNKZZg8dlcjLJTDyHtYHddRvOrHjOZ9VWvdRRdsNxqmKpC5Dg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:31:19.320912Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0506123","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ae66310fb9e7ae53aca2e57420a5c5e41826d1282364e8b471f79acb8bed8be","sha256:2b2c590fb028cf3eda6e6cb0db95d465d39150580f0f694dd3afbf971d0d7d96"],"state_sha256":"c84cac56c3622f62af23520b516f4b80e0e1ef9a7dadb769254ec5592d83a57d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r94Av02F6QNH6rJJkFdEDxAxg5P2U86WpeIu8CekaP939W72yxC7urD93F+HtODMr+7v4beRCwVpAMZ5tu6/Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-16T03:48:25.270761Z","bundle_sha256":"02b16d5059fe57cbc8ac6f2097cb976cc0fc599ac83030b014a91c90b59fb4d0"}}