{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:74YEM7JBJOHEK4OKM6MSVFMQOV","short_pith_number":"pith:74YEM7JB","canonical_record":{"source":{"id":"0912.3007","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-12-15T21:15:19Z","cross_cats_sorted":[],"title_canon_sha256":"81c5e1ce2cce21f47b7650cb6856ab8d66e114497c8b0d8045d8450a65345c10","abstract_canon_sha256":"2c8731963f876649a2463032618bc951c052fa43480a40925e38aed4a738f99b"},"schema_version":"1.0"},"canonical_sha256":"ff30467d214b8e4571ca67992a9590755174f6257a60e803bbb2d351737d9896","source":{"kind":"arxiv","id":"0912.3007","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.3007","created_at":"2026-05-18T02:33:56Z"},{"alias_kind":"arxiv_version","alias_value":"0912.3007v2","created_at":"2026-05-18T02:33:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.3007","created_at":"2026-05-18T02:33:56Z"},{"alias_kind":"pith_short_12","alias_value":"74YEM7JBJOHE","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"74YEM7JBJOHEK4OK","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"74YEM7JB","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:74YEM7JBJOHEK4OKM6MSVFMQOV","target":"record","payload":{"canonical_record":{"source":{"id":"0912.3007","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-12-15T21:15:19Z","cross_cats_sorted":[],"title_canon_sha256":"81c5e1ce2cce21f47b7650cb6856ab8d66e114497c8b0d8045d8450a65345c10","abstract_canon_sha256":"2c8731963f876649a2463032618bc951c052fa43480a40925e38aed4a738f99b"},"schema_version":"1.0"},"canonical_sha256":"ff30467d214b8e4571ca67992a9590755174f6257a60e803bbb2d351737d9896","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:33:56.389145Z","signature_b64":"cBcPT+xo0uF6N5QUm79zZ9rS9PxHkpxfq2Zl2NBecc5Y0lliXjBPuCOE6uRk+IVeYzKGeyszIf+NQUCY6DRSCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff30467d214b8e4571ca67992a9590755174f6257a60e803bbb2d351737d9896","last_reissued_at":"2026-05-18T02:33:56.388766Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:33:56.388766Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0912.3007","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":"2026-05-18T02:33:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mOBF3APSzK6ph+swy1+Y9SH5IzYc6qM+kKN+Pve5xtuy2eVOludABGPj3Xh3bF2nJAOBaOrqglxRUvMdTVhsCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:54:39.297635Z"},"content_sha256":"e0645c96ba7e68ad26bec0030484aa5ed311a570a2ed871dbf08ce80a222c5f8","schema_version":"1.0","event_id":"sha256:e0645c96ba7e68ad26bec0030484aa5ed311a570a2ed871dbf08ce80a222c5f8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:74YEM7JBJOHEK4OKM6MSVFMQOV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The unusual NIV]-emitter galaxy GDS J033218.92-275302.7: star formation or AGN-driven winds from a massive galaxy at z=5.56","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Grazian, A. Verhamme, D. Schaerer, E. Vanzella, L. Pentericci, M. Dickinson, M. Giavalisco, M. Hayes, M. Nonino, P. Rosati, S. Cristiani","submitted_at":"2009-12-15T21:15:19Z","abstract_excerpt":"Aims: We investigate the nature of the source GDS J033218.92-275302.7at redshift ~ 5.56. Methods: The SED of the source is well sampled by 16 bands photometry, from UV-optical, near infrared and mid-infrared (MID-IR).The detection of signal in the MID-IR Spitzer/IRAC bands 5.8, 8.0 um -- where the nebular emission contribution is less effective -- suggests the presence of a Balmer break, signature of an underlying stellar population formed at earlier epochs. The optical spectrum shows a clear Lya emission line together with semi-forbidden NIV] 1483.3-1486.5 also in emission. Results: From the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.3007","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":"2026-05-18T02:33:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nj14bGAtk08bVmqOA4DT4B8CiG182Wpg7/xx7GLRf1S8VKkVzk1G/No+LUMqGG79uu0TulRUQrKXDj/5jvfNCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:54:39.298294Z"},"content_sha256":"623523483d1dac006c955b10bb62fbdaa562bab0971a5cbafe528e60b94d5785","schema_version":"1.0","event_id":"sha256:623523483d1dac006c955b10bb62fbdaa562bab0971a5cbafe528e60b94d5785"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/74YEM7JBJOHEK4OKM6MSVFMQOV/bundle.json","state_url":"https://pith.science/pith/74YEM7JBJOHEK4OKM6MSVFMQOV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/74YEM7JBJOHEK4OKM6MSVFMQOV/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":"2026-05-30T12:54:39Z","links":{"resolver":"https://pith.science/pith/74YEM7JBJOHEK4OKM6MSVFMQOV","bundle":"https://pith.science/pith/74YEM7JBJOHEK4OKM6MSVFMQOV/bundle.json","state":"https://pith.science/pith/74YEM7JBJOHEK4OKM6MSVFMQOV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/74YEM7JBJOHEK4OKM6MSVFMQOV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:74YEM7JBJOHEK4OKM6MSVFMQOV","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":"2c8731963f876649a2463032618bc951c052fa43480a40925e38aed4a738f99b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-12-15T21:15:19Z","title_canon_sha256":"81c5e1ce2cce21f47b7650cb6856ab8d66e114497c8b0d8045d8450a65345c10"},"schema_version":"1.0","source":{"id":"0912.3007","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.3007","created_at":"2026-05-18T02:33:56Z"},{"alias_kind":"arxiv_version","alias_value":"0912.3007v2","created_at":"2026-05-18T02:33:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.3007","created_at":"2026-05-18T02:33:56Z"},{"alias_kind":"pith_short_12","alias_value":"74YEM7JBJOHE","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"74YEM7JBJOHEK4OK","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"74YEM7JB","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:623523483d1dac006c955b10bb62fbdaa562bab0971a5cbafe528e60b94d5785","target":"graph","created_at":"2026-05-18T02:33:56Z","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":"Aims: We investigate the nature of the source GDS J033218.92-275302.7at redshift ~ 5.56. Methods: The SED of the source is well sampled by 16 bands photometry, from UV-optical, near infrared and mid-infrared (MID-IR).The detection of signal in the MID-IR Spitzer/IRAC bands 5.8, 8.0 um -- where the nebular emission contribution is less effective -- suggests the presence of a Balmer break, signature of an underlying stellar population formed at earlier epochs. The optical spectrum shows a clear Lya emission line together with semi-forbidden NIV] 1483.3-1486.5 also in emission. Results: From the ","authors_text":"A. Grazian, A. Verhamme, D. Schaerer, E. Vanzella, L. Pentericci, M. Dickinson, M. Giavalisco, M. Hayes, M. Nonino, P. Rosati, S. Cristiani","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-12-15T21:15:19Z","title":"The unusual NIV]-emitter galaxy GDS J033218.92-275302.7: star formation or AGN-driven winds from a massive galaxy at z=5.56"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.3007","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:e0645c96ba7e68ad26bec0030484aa5ed311a570a2ed871dbf08ce80a222c5f8","target":"record","created_at":"2026-05-18T02:33:56Z","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":"2c8731963f876649a2463032618bc951c052fa43480a40925e38aed4a738f99b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-12-15T21:15:19Z","title_canon_sha256":"81c5e1ce2cce21f47b7650cb6856ab8d66e114497c8b0d8045d8450a65345c10"},"schema_version":"1.0","source":{"id":"0912.3007","kind":"arxiv","version":2}},"canonical_sha256":"ff30467d214b8e4571ca67992a9590755174f6257a60e803bbb2d351737d9896","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff30467d214b8e4571ca67992a9590755174f6257a60e803bbb2d351737d9896","first_computed_at":"2026-05-18T02:33:56.388766Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:33:56.388766Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cBcPT+xo0uF6N5QUm79zZ9rS9PxHkpxfq2Zl2NBecc5Y0lliXjBPuCOE6uRk+IVeYzKGeyszIf+NQUCY6DRSCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:33:56.389145Z","signed_message":"canonical_sha256_bytes"},"source_id":"0912.3007","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e0645c96ba7e68ad26bec0030484aa5ed311a570a2ed871dbf08ce80a222c5f8","sha256:623523483d1dac006c955b10bb62fbdaa562bab0971a5cbafe528e60b94d5785"],"state_sha256":"d934de10274142ba059accabaf1d5ced8dda49c365bbe64502eecc5b09a70f47"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BKYMdRJuMZMevraEhHEvI2PTVJ38rbJQKX8CJNzvpBY6epGmrAPu5TK+6rSx3oHA/ssZ06jFkhNsLJRr8h6ADw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T12:54:39.302920Z","bundle_sha256":"cab3dffbcf27aff693445b6560f3396ddd64b4c44c9ee06725a3741830b70138"}}