{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:SPA3ZP6Z4ICUVFGXJTYIIKKNLL","short_pith_number":"pith:SPA3ZP6Z","canonical_record":{"source":{"id":"0912.2999","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-12-15T21:25:41Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"25ead64bf6de8ae3d1683a60f4284a9c09d320d116df1bbe124972bd2837694e","abstract_canon_sha256":"1c96b0e78979ae2d98d9cb36b566c0af0b43bdae1738ece26c1fddaeb25e664b"},"schema_version":"1.0"},"canonical_sha256":"93c1bcbfd9e2054a94d74cf084294d5ad599b0df244e92aeec8a02dae073698a","source":{"kind":"arxiv","id":"0912.2999","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.2999","created_at":"2026-05-18T02:10:16Z"},{"alias_kind":"arxiv_version","alias_value":"0912.2999v2","created_at":"2026-05-18T02:10:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.2999","created_at":"2026-05-18T02:10:16Z"},{"alias_kind":"pith_short_12","alias_value":"SPA3ZP6Z4ICU","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"SPA3ZP6Z4ICUVFGX","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"SPA3ZP6Z","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:SPA3ZP6Z4ICUVFGXJTYIIKKNLL","target":"record","payload":{"canonical_record":{"source":{"id":"0912.2999","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-12-15T21:25:41Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"25ead64bf6de8ae3d1683a60f4284a9c09d320d116df1bbe124972bd2837694e","abstract_canon_sha256":"1c96b0e78979ae2d98d9cb36b566c0af0b43bdae1738ece26c1fddaeb25e664b"},"schema_version":"1.0"},"canonical_sha256":"93c1bcbfd9e2054a94d74cf084294d5ad599b0df244e92aeec8a02dae073698a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:10:16.856508Z","signature_b64":"y+8dw21g8TvnYgznvua+sz80TRYi7L7SIDC0CozKlZCmlk3PQyxUxZypBBohW6LwhWj7noWdtcgBRU2aV8syBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93c1bcbfd9e2054a94d74cf084294d5ad599b0df244e92aeec8a02dae073698a","last_reissued_at":"2026-05-18T02:10:16.855738Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:10:16.855738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0912.2999","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":"2026-05-18T02:10:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W5w33NXgZTQh/z6bo5Y+o5wxNNGKBq+amED8b62BlDne0+CqbaZBw47CZ5o4FhPwy2nKZbIClAK1Gnz3JYsiBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T23:14:49.852786Z"},"content_sha256":"cb43b02aab606870c7e1074457e24c15e495852fd52713a41aa9e9eb5839fe7b","schema_version":"1.0","event_id":"sha256:cb43b02aab606870c7e1074457e24c15e495852fd52713a41aa9e9eb5839fe7b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:SPA3ZP6Z4ICUVFGXJTYIIKKNLL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for Supernova-Synthesised Dust from the Rising Afterglow of GRB 071025 at z~5","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"A. Antonelli, A. C. Updike, A. K\\\"upc\\\"u Yoldas, A. N. Morgan, C. R. Klein, Daniel A. Perley, D. H. Hartmann, G. G. Williams, J. Greiner, J. S. Bloom, J. X. Prochaska, L. Cowie, N. R. Butler, P. Afonso, P. A. Price, P. Ferrero, P. Milne, P. Wozniak, S. Covino, T. Kr\\\"uhler, T. Minezaki, W. T. Vestrand, Y. Kakazu, Y. Yoshii","submitted_at":"2009-12-15T21:25:41Z","abstract_excerpt":"We present observations and analysis of the broadband afterglow of Swift GRB 071025. Using optical and infrared (RIYJHK) photometry, we derive a photometric redshift of 4.4 < z < 5.2; at this redshift our simultaneous multicolour observations begin at ~30 s after the GRB trigger in the host frame and during the initial rising phase of the afterglow. We associate the light curve peak at 580 s in the observer frame with the formation of the forward shock, giving an estimate of the initial Lorentz factor Gamma_0 ~ 200. The red spectral energy distribution (even in regions not affected by the Lyma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.2999","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":""},"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":"2026-05-18T02:10:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ocYXihEcHK0b85Z+gGm8V4Atc+B4qL69l9DtDHZGiWTr2C4LUqtRg5a+RBnpsQhv1RM8lSD5ie/3EYhasd0xBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T23:14:49.853447Z"},"content_sha256":"ca8404fc1586666c71929bfca20aad1c42f8bf28385b844331ecf6008f6e8307","schema_version":"1.0","event_id":"sha256:ca8404fc1586666c71929bfca20aad1c42f8bf28385b844331ecf6008f6e8307"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SPA3ZP6Z4ICUVFGXJTYIIKKNLL/bundle.json","state_url":"https://pith.science/pith/SPA3ZP6Z4ICUVFGXJTYIIKKNLL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SPA3ZP6Z4ICUVFGXJTYIIKKNLL/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":"2026-06-04T23:14:49Z","links":{"resolver":"https://pith.science/pith/SPA3ZP6Z4ICUVFGXJTYIIKKNLL","bundle":"https://pith.science/pith/SPA3ZP6Z4ICUVFGXJTYIIKKNLL/bundle.json","state":"https://pith.science/pith/SPA3ZP6Z4ICUVFGXJTYIIKKNLL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SPA3ZP6Z4ICUVFGXJTYIIKKNLL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:SPA3ZP6Z4ICUVFGXJTYIIKKNLL","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":"1c96b0e78979ae2d98d9cb36b566c0af0b43bdae1738ece26c1fddaeb25e664b","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-12-15T21:25:41Z","title_canon_sha256":"25ead64bf6de8ae3d1683a60f4284a9c09d320d116df1bbe124972bd2837694e"},"schema_version":"1.0","source":{"id":"0912.2999","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.2999","created_at":"2026-05-18T02:10:16Z"},{"alias_kind":"arxiv_version","alias_value":"0912.2999v2","created_at":"2026-05-18T02:10:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.2999","created_at":"2026-05-18T02:10:16Z"},{"alias_kind":"pith_short_12","alias_value":"SPA3ZP6Z4ICU","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"SPA3ZP6Z4ICUVFGX","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"SPA3ZP6Z","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:ca8404fc1586666c71929bfca20aad1c42f8bf28385b844331ecf6008f6e8307","target":"graph","created_at":"2026-05-18T02:10:16Z","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 observations and analysis of the broadband afterglow of Swift GRB 071025. Using optical and infrared (RIYJHK) photometry, we derive a photometric redshift of 4.4 < z < 5.2; at this redshift our simultaneous multicolour observations begin at ~30 s after the GRB trigger in the host frame and during the initial rising phase of the afterglow. We associate the light curve peak at 580 s in the observer frame with the formation of the forward shock, giving an estimate of the initial Lorentz factor Gamma_0 ~ 200. The red spectral energy distribution (even in regions not affected by the Lyma","authors_text":"A. Antonelli, A. C. Updike, A. K\\\"upc\\\"u Yoldas, A. N. Morgan, C. R. Klein, Daniel A. Perley, D. H. Hartmann, G. G. Williams, J. Greiner, J. S. Bloom, J. X. Prochaska, L. Cowie, N. R. Butler, P. Afonso, P. A. Price, P. Ferrero, P. Milne, P. Wozniak, S. Covino, T. Kr\\\"uhler, T. Minezaki, W. T. Vestrand, Y. Kakazu, Y. Yoshii","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-12-15T21:25:41Z","title":"Evidence for Supernova-Synthesised Dust from the Rising Afterglow of GRB 071025 at z~5"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.2999","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:cb43b02aab606870c7e1074457e24c15e495852fd52713a41aa9e9eb5839fe7b","target":"record","created_at":"2026-05-18T02:10:16Z","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":"1c96b0e78979ae2d98d9cb36b566c0af0b43bdae1738ece26c1fddaeb25e664b","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-12-15T21:25:41Z","title_canon_sha256":"25ead64bf6de8ae3d1683a60f4284a9c09d320d116df1bbe124972bd2837694e"},"schema_version":"1.0","source":{"id":"0912.2999","kind":"arxiv","version":2}},"canonical_sha256":"93c1bcbfd9e2054a94d74cf084294d5ad599b0df244e92aeec8a02dae073698a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"93c1bcbfd9e2054a94d74cf084294d5ad599b0df244e92aeec8a02dae073698a","first_computed_at":"2026-05-18T02:10:16.855738Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:10:16.855738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y+8dw21g8TvnYgznvua+sz80TRYi7L7SIDC0CozKlZCmlk3PQyxUxZypBBohW6LwhWj7noWdtcgBRU2aV8syBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:10:16.856508Z","signed_message":"canonical_sha256_bytes"},"source_id":"0912.2999","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cb43b02aab606870c7e1074457e24c15e495852fd52713a41aa9e9eb5839fe7b","sha256:ca8404fc1586666c71929bfca20aad1c42f8bf28385b844331ecf6008f6e8307"],"state_sha256":"969e3582bd114e5d53405b8126e09ab254f88bfeec73e61547227afd07f95a1b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"319IZeldax0jTcyeGeiGf/EJW4spQ9fvUXsmJEX1f7rKlGYmNW8lmMaCsAQUalnFmi29EcTQ04gkRn9kK/RxBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T23:14:49.856511Z","bundle_sha256":"967534f251de96d1b780923bbc9420e2469ee2982758b7db7ecb9a3aea356335"}}