{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:KLPDJKBRBTTLOR546B746D4LNV","short_pith_number":"pith:KLPDJKBR","canonical_record":{"source":{"id":"1311.1706","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-11-07T15:01:03Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b6ce107c9411551110119358ff65f4726aa116512b31fde45d0695608d7beb88","abstract_canon_sha256":"ab2f009276de3c2e2813118091c229766b58dd9597dcc1f483ef44ad288f798d"},"schema_version":"1.0"},"canonical_sha256":"52de34a8310ce6b747bcf07fcf0f8b6d5b3c54604da7f2f47a7ece3cc3e2e398","source":{"kind":"arxiv","id":"1311.1706","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.1706","created_at":"2026-05-18T01:46:33Z"},{"alias_kind":"arxiv_version","alias_value":"1311.1706v1","created_at":"2026-05-18T01:46:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.1706","created_at":"2026-05-18T01:46:33Z"},{"alias_kind":"pith_short_12","alias_value":"KLPDJKBRBTTL","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"KLPDJKBRBTTLOR54","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"KLPDJKBR","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:KLPDJKBRBTTLOR546B746D4LNV","target":"record","payload":{"canonical_record":{"source":{"id":"1311.1706","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-11-07T15:01:03Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b6ce107c9411551110119358ff65f4726aa116512b31fde45d0695608d7beb88","abstract_canon_sha256":"ab2f009276de3c2e2813118091c229766b58dd9597dcc1f483ef44ad288f798d"},"schema_version":"1.0"},"canonical_sha256":"52de34a8310ce6b747bcf07fcf0f8b6d5b3c54604da7f2f47a7ece3cc3e2e398","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:33.247467Z","signature_b64":"bv6XsI4REKv4ccnmPAAnf04TXINFRVAB64nd/MCglGs/tqS4SuEyvqs1yPs0IOHzuzaDHCW2RKYI/LmNWgo+Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52de34a8310ce6b747bcf07fcf0f8b6d5b3c54604da7f2f47a7ece3cc3e2e398","last_reissued_at":"2026-05-18T01:46:33.247074Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:33.247074Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.1706","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:46:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JZXOxXbyOwsG2wIx5iN7+MrJkJ2JsZzkpyw56N5rGFai3f3ggIzTkv5UzjdtmIfRIO1+4dKu8TDjh+hWQ3mwBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:37:37.987190Z"},"content_sha256":"7c36a5bc82090ce235a8b275c5a4ff3feff6738fe12d5a7028d99308701a8377","schema_version":"1.0","event_id":"sha256:7c36a5bc82090ce235a8b275c5a4ff3feff6738fe12d5a7028d99308701a8377"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:KLPDJKBRBTTLOR546B746D4LNV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Terzan 5 puzzle: discovery of a third, metal-poor component","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. Mucciarelli, B. Lanzoni, D. Massari, E. Dalessandro, F. R. Ferraro, L. Origlia, R. M. Rich","submitted_at":"2013-11-07T15:01:03Z","abstract_excerpt":"We report on the discovery of 3 metal-poor giant stars in Terzan 5, a complex stellar system in the the Galactic bulge, known to have two populations at [Fe/H]=-0.25 and +0.3. For these 3 stars we present new echelle spectra obtained with NIRSPEC at Keck II, which confirm their radial velocity membership and provide average [Fe/H]=-0.79 dex iron abundance and [alpha/Fe]=+0.36 dex enhancement. This new population extends the metallicity range of Terzan~5 0.5 dex more metal poor, and it has properties consistent with having formed from a gas polluted by core collapse supernovae."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.1706","kind":"arxiv","version":1},"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":"2026-05-18T01:46:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zM1NvfS0KQx29RAhykOfXZXz7LimGpoZ9SYy5I1w7fW8h5xpZ/vPccyX1fk8dPThx2TLqBY4dFl/Z6KjwB0cBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:37:37.987759Z"},"content_sha256":"a735dff5731c457368565e14be7ba4450a7b598d3b26745a283481017ede36fc","schema_version":"1.0","event_id":"sha256:a735dff5731c457368565e14be7ba4450a7b598d3b26745a283481017ede36fc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KLPDJKBRBTTLOR546B746D4LNV/bundle.json","state_url":"https://pith.science/pith/KLPDJKBRBTTLOR546B746D4LNV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KLPDJKBRBTTLOR546B746D4LNV/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":"2026-05-25T19:37:37Z","links":{"resolver":"https://pith.science/pith/KLPDJKBRBTTLOR546B746D4LNV","bundle":"https://pith.science/pith/KLPDJKBRBTTLOR546B746D4LNV/bundle.json","state":"https://pith.science/pith/KLPDJKBRBTTLOR546B746D4LNV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KLPDJKBRBTTLOR546B746D4LNV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:KLPDJKBRBTTLOR546B746D4LNV","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":"ab2f009276de3c2e2813118091c229766b58dd9597dcc1f483ef44ad288f798d","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-11-07T15:01:03Z","title_canon_sha256":"b6ce107c9411551110119358ff65f4726aa116512b31fde45d0695608d7beb88"},"schema_version":"1.0","source":{"id":"1311.1706","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.1706","created_at":"2026-05-18T01:46:33Z"},{"alias_kind":"arxiv_version","alias_value":"1311.1706v1","created_at":"2026-05-18T01:46:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.1706","created_at":"2026-05-18T01:46:33Z"},{"alias_kind":"pith_short_12","alias_value":"KLPDJKBRBTTL","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"KLPDJKBRBTTLOR54","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"KLPDJKBR","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:a735dff5731c457368565e14be7ba4450a7b598d3b26745a283481017ede36fc","target":"graph","created_at":"2026-05-18T01:46:33Z","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 report on the discovery of 3 metal-poor giant stars in Terzan 5, a complex stellar system in the the Galactic bulge, known to have two populations at [Fe/H]=-0.25 and +0.3. For these 3 stars we present new echelle spectra obtained with NIRSPEC at Keck II, which confirm their radial velocity membership and provide average [Fe/H]=-0.79 dex iron abundance and [alpha/Fe]=+0.36 dex enhancement. This new population extends the metallicity range of Terzan~5 0.5 dex more metal poor, and it has properties consistent with having formed from a gas polluted by core collapse supernovae.","authors_text":"A. Mucciarelli, B. Lanzoni, D. Massari, E. Dalessandro, F. R. Ferraro, L. Origlia, R. M. Rich","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-11-07T15:01:03Z","title":"The Terzan 5 puzzle: discovery of a third, metal-poor component"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.1706","kind":"arxiv","version":1},"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":"sha256:7c36a5bc82090ce235a8b275c5a4ff3feff6738fe12d5a7028d99308701a8377","target":"record","created_at":"2026-05-18T01:46:33Z","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":"ab2f009276de3c2e2813118091c229766b58dd9597dcc1f483ef44ad288f798d","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-11-07T15:01:03Z","title_canon_sha256":"b6ce107c9411551110119358ff65f4726aa116512b31fde45d0695608d7beb88"},"schema_version":"1.0","source":{"id":"1311.1706","kind":"arxiv","version":1}},"canonical_sha256":"52de34a8310ce6b747bcf07fcf0f8b6d5b3c54604da7f2f47a7ece3cc3e2e398","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52de34a8310ce6b747bcf07fcf0f8b6d5b3c54604da7f2f47a7ece3cc3e2e398","first_computed_at":"2026-05-18T01:46:33.247074Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:33.247074Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bv6XsI4REKv4ccnmPAAnf04TXINFRVAB64nd/MCglGs/tqS4SuEyvqs1yPs0IOHzuzaDHCW2RKYI/LmNWgo+Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:33.247467Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.1706","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c36a5bc82090ce235a8b275c5a4ff3feff6738fe12d5a7028d99308701a8377","sha256:a735dff5731c457368565e14be7ba4450a7b598d3b26745a283481017ede36fc"],"state_sha256":"765a3f99064f58269f2be3712dfb2235e853074676fc7e6d7dec1bd4ca2bc7e4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LQxw/5huK4WG1ThJUv2UbAcLJrm8xf1ioFqQpJcCgxEfeYIghSd8eQvTKS+pUdCxgJdE+GG2lT5IijPPUo8rDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:37:37.991154Z","bundle_sha256":"ff15d6d1f9a94e0a5fc70aef4a0e0844f6a8137494daa8360b793480621ef836"}}