{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:GBSPSY5KBTPQ2WK4W3PYVYQIJL","short_pith_number":"pith:GBSPSY5K","canonical_record":{"source":{"id":"astro-ph/0303247","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-03-12T08:47:31Z","cross_cats_sorted":[],"title_canon_sha256":"6313fc2234ad241a832f963db06d3da8be6695bed80edc34e10ab5aec14e3b7c","abstract_canon_sha256":"4c45311583297ba785b7ccfca822734989679fadc1a9f9d40f7ca6c83b563d88"},"schema_version":"1.0"},"canonical_sha256":"3064f963aa0cdf0d595cb6df8ae2084af008efa52ac73bd051a04e4b569ffeeb","source":{"kind":"arxiv","id":"astro-ph/0303247","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0303247","created_at":"2026-07-04T16:36:38Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0303247v1","created_at":"2026-07-04T16:36:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0303247","created_at":"2026-07-04T16:36:38Z"},{"alias_kind":"pith_short_12","alias_value":"GBSPSY5KBTPQ","created_at":"2026-07-04T16:36:38Z"},{"alias_kind":"pith_short_16","alias_value":"GBSPSY5KBTPQ2WK4","created_at":"2026-07-04T16:36:38Z"},{"alias_kind":"pith_short_8","alias_value":"GBSPSY5K","created_at":"2026-07-04T16:36:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:GBSPSY5KBTPQ2WK4W3PYVYQIJL","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0303247","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-03-12T08:47:31Z","cross_cats_sorted":[],"title_canon_sha256":"6313fc2234ad241a832f963db06d3da8be6695bed80edc34e10ab5aec14e3b7c","abstract_canon_sha256":"4c45311583297ba785b7ccfca822734989679fadc1a9f9d40f7ca6c83b563d88"},"schema_version":"1.0"},"canonical_sha256":"3064f963aa0cdf0d595cb6df8ae2084af008efa52ac73bd051a04e4b569ffeeb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:36:38.663727Z","signature_b64":"h6arwiyww8pSjOuy5+7k89ZVus1HQ2QzVPLYoOQWGKL7QL+4ioFPNXZ32/m8P2PXe7X7sxibZPEwX3zsbYomBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3064f963aa0cdf0d595cb6df8ae2084af008efa52ac73bd051a04e4b569ffeeb","last_reissued_at":"2026-07-04T16:36:38.663336Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:36:38.663336Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0303247","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":"2026-07-04T16:36:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JKbR5JGk4zphhfKgduo3lUokVwVbNUgoSdDzLHkU1rRg0Xf0ZTCLG+scFWpuSBLKmMHypDCqvOJduOpseUnACQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:38:20.786236Z"},"content_sha256":"b35be9933ef49d06e5a3fedc98f539ca2a800fb020e164a07cf96f8d0b66ff5e","schema_version":"1.0","event_id":"sha256:b35be9933ef49d06e5a3fedc98f539ca2a800fb020e164a07cf96f8d0b66ff5e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:GBSPSY5KBTPQ2WK4W3PYVYQIJL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dense gas in nearby galaxies: XV. Hot ammonia in NGC253, Maffei2 and IC342","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.B. Peck, A. Weiss, C. Henkel, R. Mauersberger, Y. Hagiwara","submitted_at":"2003-03-12T08:47:31Z","abstract_excerpt":"The detection of NH3 inversion lines up to the (J,K)=(6,6) level is reported toward the central regions of the nearby galaxies NGC253, Maffei2, and IC342. The observed lines are up to 406K (for (J,K)=(6,6)) and 848K (for the (9,9) transition) above the ground state and reveal a warm (T_kin= 100 - 140 K) molecular component toward all galaxies studied. The tentatively detected (J,K)=(9,9) line is evidence for an even warmer (>400K) component toward IC342. Toward NGC253, IC342 and Maffei2 the global beam averaged NH3 abundances are 1-2 10^-8, while the abundance relative to warm H2 is around 10^"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0303247","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0303247/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":"2026-07-04T16:36:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g3DeGISPaApAgs7F7FwvfPO9Fo24pCJYxpkpa4Wy2gGUZ9lzlCe/LJwmcYgOy2aKcH7LkxF62aQcPjUuhQK0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:38:20.786774Z"},"content_sha256":"14aa50c82c291e7c0d86cf1d5f2e54725636e80a550d50e212d62a4f166931e5","schema_version":"1.0","event_id":"sha256:14aa50c82c291e7c0d86cf1d5f2e54725636e80a550d50e212d62a4f166931e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GBSPSY5KBTPQ2WK4W3PYVYQIJL/bundle.json","state_url":"https://pith.science/pith/GBSPSY5KBTPQ2WK4W3PYVYQIJL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GBSPSY5KBTPQ2WK4W3PYVYQIJL/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":"2026-08-04T12:38:20Z","links":{"resolver":"https://pith.science/pith/GBSPSY5KBTPQ2WK4W3PYVYQIJL","bundle":"https://pith.science/pith/GBSPSY5KBTPQ2WK4W3PYVYQIJL/bundle.json","state":"https://pith.science/pith/GBSPSY5KBTPQ2WK4W3PYVYQIJL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GBSPSY5KBTPQ2WK4W3PYVYQIJL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:GBSPSY5KBTPQ2WK4W3PYVYQIJL","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":"4c45311583297ba785b7ccfca822734989679fadc1a9f9d40f7ca6c83b563d88","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-03-12T08:47:31Z","title_canon_sha256":"6313fc2234ad241a832f963db06d3da8be6695bed80edc34e10ab5aec14e3b7c"},"schema_version":"1.0","source":{"id":"astro-ph/0303247","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0303247","created_at":"2026-07-04T16:36:38Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0303247v1","created_at":"2026-07-04T16:36:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0303247","created_at":"2026-07-04T16:36:38Z"},{"alias_kind":"pith_short_12","alias_value":"GBSPSY5KBTPQ","created_at":"2026-07-04T16:36:38Z"},{"alias_kind":"pith_short_16","alias_value":"GBSPSY5KBTPQ2WK4","created_at":"2026-07-04T16:36:38Z"},{"alias_kind":"pith_short_8","alias_value":"GBSPSY5K","created_at":"2026-07-04T16:36:38Z"}],"graph_snapshots":[{"event_id":"sha256:14aa50c82c291e7c0d86cf1d5f2e54725636e80a550d50e212d62a4f166931e5","target":"graph","created_at":"2026-07-04T16:36:38Z","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/0303247/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The detection of NH3 inversion lines up to the (J,K)=(6,6) level is reported toward the central regions of the nearby galaxies NGC253, Maffei2, and IC342. The observed lines are up to 406K (for (J,K)=(6,6)) and 848K (for the (9,9) transition) above the ground state and reveal a warm (T_kin= 100 - 140 K) molecular component toward all galaxies studied. The tentatively detected (J,K)=(9,9) line is evidence for an even warmer (>400K) component toward IC342. Toward NGC253, IC342 and Maffei2 the global beam averaged NH3 abundances are 1-2 10^-8, while the abundance relative to warm H2 is around 10^","authors_text":"A.B. Peck, A. Weiss, C. Henkel, R. Mauersberger, Y. Hagiwara","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-03-12T08:47:31Z","title":"Dense gas in nearby galaxies: XV. Hot ammonia in NGC253, Maffei2 and IC342"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0303247","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:b35be9933ef49d06e5a3fedc98f539ca2a800fb020e164a07cf96f8d0b66ff5e","target":"record","created_at":"2026-07-04T16:36:38Z","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":"4c45311583297ba785b7ccfca822734989679fadc1a9f9d40f7ca6c83b563d88","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-03-12T08:47:31Z","title_canon_sha256":"6313fc2234ad241a832f963db06d3da8be6695bed80edc34e10ab5aec14e3b7c"},"schema_version":"1.0","source":{"id":"astro-ph/0303247","kind":"arxiv","version":1}},"canonical_sha256":"3064f963aa0cdf0d595cb6df8ae2084af008efa52ac73bd051a04e4b569ffeeb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3064f963aa0cdf0d595cb6df8ae2084af008efa52ac73bd051a04e4b569ffeeb","first_computed_at":"2026-07-04T16:36:38.663336Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:36:38.663336Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h6arwiyww8pSjOuy5+7k89ZVus1HQ2QzVPLYoOQWGKL7QL+4ioFPNXZ32/m8P2PXe7X7sxibZPEwX3zsbYomBg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:36:38.663727Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0303247","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b35be9933ef49d06e5a3fedc98f539ca2a800fb020e164a07cf96f8d0b66ff5e","sha256:14aa50c82c291e7c0d86cf1d5f2e54725636e80a550d50e212d62a4f166931e5"],"state_sha256":"d0edff13abfc867a2f2fd24dc795ce38fbde0024a83432c4a6b84eacef17fa59"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2vuc6A/oFhSHTAL7wDLbTHhOcqVWLPiGV1OWJIqrkHqJC8mnniDQzt721MKPGQoQGYVtF2yiUNyPu5AcVG7YAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T12:38:20.827921Z","bundle_sha256":"5359bbdf2bb5fcdfa58929158645d9b3ca088c959f7ac6bda0ef13ea81df8e78"}}