{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:BJNK7I3EFQJPXK67HO7M3U2VZG","short_pith_number":"pith:BJNK7I3E","canonical_record":{"source":{"id":"1506.05472","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-17T20:01:41Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"de32fe4bef3da1623b3e2c664dfcf1ae3cfbbc5500a0aaa6d3c0f58ad46fdacf","abstract_canon_sha256":"cc86ffca1b76b8d43903be332a9b6df930690259b9e021710abcbc0dfc240320"},"schema_version":"1.0"},"canonical_sha256":"0a5aafa3642c12fbabdf3bbecdd355c9b08baa78cd8baa74682154e663ab3023","source":{"kind":"arxiv","id":"1506.05472","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.05472","created_at":"2026-05-18T01:44:10Z"},{"alias_kind":"arxiv_version","alias_value":"1506.05472v1","created_at":"2026-05-18T01:44:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.05472","created_at":"2026-05-18T01:44:10Z"},{"alias_kind":"pith_short_12","alias_value":"BJNK7I3EFQJP","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"BJNK7I3EFQJPXK67","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"BJNK7I3E","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:BJNK7I3EFQJPXK67HO7M3U2VZG","target":"record","payload":{"canonical_record":{"source":{"id":"1506.05472","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-17T20:01:41Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"de32fe4bef3da1623b3e2c664dfcf1ae3cfbbc5500a0aaa6d3c0f58ad46fdacf","abstract_canon_sha256":"cc86ffca1b76b8d43903be332a9b6df930690259b9e021710abcbc0dfc240320"},"schema_version":"1.0"},"canonical_sha256":"0a5aafa3642c12fbabdf3bbecdd355c9b08baa78cd8baa74682154e663ab3023","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:44:10.686257Z","signature_b64":"mnfw3ffiUb42rlADnLy4bXAYQ5HRHBXei/EyNVFCNwrN+31thFMnerhF+Fg1mZZfWz2t7QHZQ0lEg7ZNssRUCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0a5aafa3642c12fbabdf3bbecdd355c9b08baa78cd8baa74682154e663ab3023","last_reissued_at":"2026-05-18T01:44:10.685493Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:44:10.685493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.05472","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":"2026-05-18T01:44:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JfSwE1XHci2AUhvstvn96pJjkz95AEFB+4W4jE2NrI7m2p6nSJ4+D8hGTkBhJWLS6FJvxsqmkYuaDYlNi4BECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:25:40.396461Z"},"content_sha256":"494bb0fd01bc43e395702b8d9ad32c30dec3f472baedd3f4f95505dcbf326ac2","schema_version":"1.0","event_id":"sha256:494bb0fd01bc43e395702b8d9ad32c30dec3f472baedd3f4f95505dcbf326ac2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:BJNK7I3EFQJPXK67HO7M3U2VZG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The initial conditions of stellar protocluster formation. II. A catalogue of starless and protostellar clumps embedded in IRDCs in the Galactic longitude range 15<l<55","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Traficante, G. A. Fuller, J. E. Pineda, N. Peretto, S. Molinari","submitted_at":"2015-06-17T20:01:41Z","abstract_excerpt":"We present a catalogue of starless and protostellar clumps associated with infrared dark clouds (IRDCs) in a 40 degrees wide region of the inner Galactic Plane (b<1). We have extracted the far-infrared (FIR) counterparts of 3493 IRDCs with known distance in the Galactic longitude range 15<l<55 and searched for the young clumps using Hi-GAL, the survey of the Galactic Plane carried out with the Herschel satellite. Each clump is identified as a compact source detected at 160, 250 and 350 mum. The clumps have been classified as protostellar or starless, based on their emission (or lack of emissio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.05472","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":"2026-05-18T01:44:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UTylxIrd7hDGVmCZl0LcU7eRXq5zS3QWw7TQt3g0vRsqqLebaYhvGeYCsn4EkOidg2DzMOj4BtSiciqbX8SOCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:25:40.396815Z"},"content_sha256":"26c9ffd75390f002bea0834cafabba565f0513bf7f74e3f5414fb78cef8309be","schema_version":"1.0","event_id":"sha256:26c9ffd75390f002bea0834cafabba565f0513bf7f74e3f5414fb78cef8309be"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BJNK7I3EFQJPXK67HO7M3U2VZG/bundle.json","state_url":"https://pith.science/pith/BJNK7I3EFQJPXK67HO7M3U2VZG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BJNK7I3EFQJPXK67HO7M3U2VZG/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":"2026-05-28T00:25:40Z","links":{"resolver":"https://pith.science/pith/BJNK7I3EFQJPXK67HO7M3U2VZG","bundle":"https://pith.science/pith/BJNK7I3EFQJPXK67HO7M3U2VZG/bundle.json","state":"https://pith.science/pith/BJNK7I3EFQJPXK67HO7M3U2VZG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BJNK7I3EFQJPXK67HO7M3U2VZG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:BJNK7I3EFQJPXK67HO7M3U2VZG","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":"cc86ffca1b76b8d43903be332a9b6df930690259b9e021710abcbc0dfc240320","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-17T20:01:41Z","title_canon_sha256":"de32fe4bef3da1623b3e2c664dfcf1ae3cfbbc5500a0aaa6d3c0f58ad46fdacf"},"schema_version":"1.0","source":{"id":"1506.05472","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.05472","created_at":"2026-05-18T01:44:10Z"},{"alias_kind":"arxiv_version","alias_value":"1506.05472v1","created_at":"2026-05-18T01:44:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.05472","created_at":"2026-05-18T01:44:10Z"},{"alias_kind":"pith_short_12","alias_value":"BJNK7I3EFQJP","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"BJNK7I3EFQJPXK67","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"BJNK7I3E","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:26c9ffd75390f002bea0834cafabba565f0513bf7f74e3f5414fb78cef8309be","target":"graph","created_at":"2026-05-18T01:44:10Z","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 a catalogue of starless and protostellar clumps associated with infrared dark clouds (IRDCs) in a 40 degrees wide region of the inner Galactic Plane (b<1). We have extracted the far-infrared (FIR) counterparts of 3493 IRDCs with known distance in the Galactic longitude range 15<l<55 and searched for the young clumps using Hi-GAL, the survey of the Galactic Plane carried out with the Herschel satellite. Each clump is identified as a compact source detected at 160, 250 and 350 mum. The clumps have been classified as protostellar or starless, based on their emission (or lack of emissio","authors_text":"A. Traficante, G. A. Fuller, J. E. Pineda, N. Peretto, S. Molinari","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-17T20:01:41Z","title":"The initial conditions of stellar protocluster formation. II. A catalogue of starless and protostellar clumps embedded in IRDCs in the Galactic longitude range 15<l<55"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.05472","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":"sha256:494bb0fd01bc43e395702b8d9ad32c30dec3f472baedd3f4f95505dcbf326ac2","target":"record","created_at":"2026-05-18T01:44:10Z","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":"cc86ffca1b76b8d43903be332a9b6df930690259b9e021710abcbc0dfc240320","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-17T20:01:41Z","title_canon_sha256":"de32fe4bef3da1623b3e2c664dfcf1ae3cfbbc5500a0aaa6d3c0f58ad46fdacf"},"schema_version":"1.0","source":{"id":"1506.05472","kind":"arxiv","version":1}},"canonical_sha256":"0a5aafa3642c12fbabdf3bbecdd355c9b08baa78cd8baa74682154e663ab3023","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a5aafa3642c12fbabdf3bbecdd355c9b08baa78cd8baa74682154e663ab3023","first_computed_at":"2026-05-18T01:44:10.685493Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:44:10.685493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mnfw3ffiUb42rlADnLy4bXAYQ5HRHBXei/EyNVFCNwrN+31thFMnerhF+Fg1mZZfWz2t7QHZQ0lEg7ZNssRUCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:44:10.686257Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.05472","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:494bb0fd01bc43e395702b8d9ad32c30dec3f472baedd3f4f95505dcbf326ac2","sha256:26c9ffd75390f002bea0834cafabba565f0513bf7f74e3f5414fb78cef8309be"],"state_sha256":"203d0d4ef21f4184c5ea6009c29394b2877ecbad93d888dce6cd35a13b151e7f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pqa/yM1JPzgJi8SttZ2s+3hdWfy2SfjGVDkF8cfYomcwy33r+AifTDJahfcjbFThTGYVV4R2g9/y5DlftOv2AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:25:40.398746Z","bundle_sha256":"821ed7d19650f1a3ea556d5880aad5eadd2ed9835c01695fc0d8cceddb028ad0"}}