{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:575XX7VPD3P2MV2NCD7RNT5YRB","short_pith_number":"pith:575XX7VP","canonical_record":{"source":{"id":"astro-ph/0304173","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-10T02:30:13Z","cross_cats_sorted":[],"title_canon_sha256":"c21db244dd0128a1927532834ca17ad73b28f0f999022b0c162cc65ebeb0cacd","abstract_canon_sha256":"538dbbce12e364758e107dbbdf3285ad1fd3341d12a0a381ff1fd707ad28b3ee"},"schema_version":"1.0"},"canonical_sha256":"effb7bfeaf1edfa6574d10ff16cfb8885cca532c8afc10d708e8596affd67bc9","source":{"kind":"arxiv","id":"astro-ph/0304173","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0304173","created_at":"2026-05-18T04:20:04Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0304173v4","created_at":"2026-05-18T04:20:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0304173","created_at":"2026-05-18T04:20:04Z"},{"alias_kind":"pith_short_12","alias_value":"575XX7VPD3P2","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"575XX7VPD3P2MV2N","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"575XX7VP","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:575XX7VPD3P2MV2NCD7RNT5YRB","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0304173","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-10T02:30:13Z","cross_cats_sorted":[],"title_canon_sha256":"c21db244dd0128a1927532834ca17ad73b28f0f999022b0c162cc65ebeb0cacd","abstract_canon_sha256":"538dbbce12e364758e107dbbdf3285ad1fd3341d12a0a381ff1fd707ad28b3ee"},"schema_version":"1.0"},"canonical_sha256":"effb7bfeaf1edfa6574d10ff16cfb8885cca532c8afc10d708e8596affd67bc9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:20:04.095391Z","signature_b64":"ZaR1hLQ6j3Iuhbnx/EDCI7qRO+TdSn8GOurCDt3eJPOynNlowHF5iyOP7TZt++JrGw+IOKpVcLEUZHjWpABiDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"effb7bfeaf1edfa6574d10ff16cfb8885cca532c8afc10d708e8596affd67bc9","last_reissued_at":"2026-05-18T04:20:04.094729Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:20:04.094729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0304173","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:20:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W8RLpzbkfE0e75lFI9wSYWtQHQ+8PExelQJjTk2fxBloo4DGx/mQnlmgVZhv7OctGtb6wb7uTfFekc0O6S74Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T14:32:17.436662Z"},"content_sha256":"a2666a604344b15651983bbd6362e14dc56c04dadcc642acdf805ec3419b897b","schema_version":"1.0","event_id":"sha256:a2666a604344b15651983bbd6362e14dc56c04dadcc642acdf805ec3419b897b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:575XX7VPD3P2MV2NCD7RNT5YRB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectroscopic Discovery of the Supernova 2003dh Associated with GRB 030329","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"B. Pindor, D. Bersier, D. J. Eisenstein, E. W. Olszewski, J. C. Lee, K. Krisciunas, K. Z. Stanek, L. Echevarria, M. L. Calkins, N. Caldwell, N. Hathi, P. Berlind, P. Challis, P. Harding, P. Martini, P. M. Garnavich, R. A. Jansen, R. Schild, R. Windhorst, S. T. Holland, T. Matheson, W. R. Brown","submitted_at":"2003-04-10T02:30:13Z","abstract_excerpt":"We present early observations of the afterglow of the Gamma-Ray Burst (GRB) 030329 and the spectroscopic discovery of its associated supernova SN 2003dh. We obtained spectra of the afterglow of GRB 030329 each night from March 30.12 (0.6 days after the burst) to April 8.13 (UT) (9.6 days after the burst). The spectra cover a wavelength range of 350 nm to 850 nm. The early spectra consist of a power-law continuum (F_nu ~ nu^{-0.9}) with narrow emission lines originating from HII regions in the host galaxy, indicating a low redshift of z=0.1687. However, our spectra taken after 2003 Apr. 5 show "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0304173","kind":"arxiv","version":4},"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":"2026-05-18T04:20:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LFZoJhGJGdFql323/TJd+8tulOvRZBLNE5rLEivi1oRmtl/0pQaPt3iE/BmbaLM1y8D3amO/oaY8/WvGnCiXDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T14:32:17.437324Z"},"content_sha256":"7e3f947ac925e480acb0188024e51bb163c19856cb414458f127d0c17584d643","schema_version":"1.0","event_id":"sha256:7e3f947ac925e480acb0188024e51bb163c19856cb414458f127d0c17584d643"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/575XX7VPD3P2MV2NCD7RNT5YRB/bundle.json","state_url":"https://pith.science/pith/575XX7VPD3P2MV2NCD7RNT5YRB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/575XX7VPD3P2MV2NCD7RNT5YRB/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":"2026-05-31T14:32:17Z","links":{"resolver":"https://pith.science/pith/575XX7VPD3P2MV2NCD7RNT5YRB","bundle":"https://pith.science/pith/575XX7VPD3P2MV2NCD7RNT5YRB/bundle.json","state":"https://pith.science/pith/575XX7VPD3P2MV2NCD7RNT5YRB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/575XX7VPD3P2MV2NCD7RNT5YRB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:575XX7VPD3P2MV2NCD7RNT5YRB","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":"538dbbce12e364758e107dbbdf3285ad1fd3341d12a0a381ff1fd707ad28b3ee","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-10T02:30:13Z","title_canon_sha256":"c21db244dd0128a1927532834ca17ad73b28f0f999022b0c162cc65ebeb0cacd"},"schema_version":"1.0","source":{"id":"astro-ph/0304173","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0304173","created_at":"2026-05-18T04:20:04Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0304173v4","created_at":"2026-05-18T04:20:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0304173","created_at":"2026-05-18T04:20:04Z"},{"alias_kind":"pith_short_12","alias_value":"575XX7VPD3P2","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"575XX7VPD3P2MV2N","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"575XX7VP","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:7e3f947ac925e480acb0188024e51bb163c19856cb414458f127d0c17584d643","target":"graph","created_at":"2026-05-18T04:20:04Z","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 early observations of the afterglow of the Gamma-Ray Burst (GRB) 030329 and the spectroscopic discovery of its associated supernova SN 2003dh. We obtained spectra of the afterglow of GRB 030329 each night from March 30.12 (0.6 days after the burst) to April 8.13 (UT) (9.6 days after the burst). The spectra cover a wavelength range of 350 nm to 850 nm. The early spectra consist of a power-law continuum (F_nu ~ nu^{-0.9}) with narrow emission lines originating from HII regions in the host galaxy, indicating a low redshift of z=0.1687. However, our spectra taken after 2003 Apr. 5 show ","authors_text":"B. Pindor, D. Bersier, D. J. Eisenstein, E. W. Olszewski, J. C. Lee, K. Krisciunas, K. Z. Stanek, L. Echevarria, M. L. Calkins, N. Caldwell, N. Hathi, P. Berlind, P. Challis, P. Harding, P. Martini, P. M. Garnavich, R. A. Jansen, R. Schild, R. Windhorst, S. T. Holland, T. Matheson, W. R. Brown","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-04-10T02:30:13Z","title":"Spectroscopic Discovery of the Supernova 2003dh Associated with GRB 030329"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0304173","kind":"arxiv","version":4},"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:a2666a604344b15651983bbd6362e14dc56c04dadcc642acdf805ec3419b897b","target":"record","created_at":"2026-05-18T04:20:04Z","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":"538dbbce12e364758e107dbbdf3285ad1fd3341d12a0a381ff1fd707ad28b3ee","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-10T02:30:13Z","title_canon_sha256":"c21db244dd0128a1927532834ca17ad73b28f0f999022b0c162cc65ebeb0cacd"},"schema_version":"1.0","source":{"id":"astro-ph/0304173","kind":"arxiv","version":4}},"canonical_sha256":"effb7bfeaf1edfa6574d10ff16cfb8885cca532c8afc10d708e8596affd67bc9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"effb7bfeaf1edfa6574d10ff16cfb8885cca532c8afc10d708e8596affd67bc9","first_computed_at":"2026-05-18T04:20:04.094729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:20:04.094729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZaR1hLQ6j3Iuhbnx/EDCI7qRO+TdSn8GOurCDt3eJPOynNlowHF5iyOP7TZt++JrGw+IOKpVcLEUZHjWpABiDw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:20:04.095391Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0304173","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a2666a604344b15651983bbd6362e14dc56c04dadcc642acdf805ec3419b897b","sha256:7e3f947ac925e480acb0188024e51bb163c19856cb414458f127d0c17584d643"],"state_sha256":"5dcca64e4472958e20008e45613b3bd35e6b75987856bb05be6f7abb548d5965"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8zLJ+g6ZF1/KN8mBUBB4wiFElHC0FSJzphx+MwNUqZqqGnzfBc2+rXejKtN9HDmDtzvRA9Jwma7sISt+AmQAAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T14:32:17.441013Z","bundle_sha256":"c1fec36ecf2c88c291058921fa0887bbdc559a144d60e6045691df750f23a4b9"}}