{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:AGJT6UPFYNJBJN4KKUVBU54JRV","short_pith_number":"pith:AGJT6UPF","canonical_record":{"source":{"id":"1312.0793","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-03T12:17:40Z","cross_cats_sorted":[],"title_canon_sha256":"d6bb472be453ad9c51a24921bfbfc750ed76ad1f95fa851e12b51bc28f3c55aa","abstract_canon_sha256":"677ba03cdec1add2b8b2013f83af05c7f81a511cb6545e8820534e125674a33d"},"schema_version":"1.0"},"canonical_sha256":"01933f51e5c35214b78a552a1a77898d44e71e566ef745ab7b20844ccfbabab1","source":{"kind":"arxiv","id":"1312.0793","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.0793","created_at":"2026-05-18T01:45:59Z"},{"alias_kind":"arxiv_version","alias_value":"1312.0793v1","created_at":"2026-05-18T01:45:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.0793","created_at":"2026-05-18T01:45:59Z"},{"alias_kind":"pith_short_12","alias_value":"AGJT6UPFYNJB","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"AGJT6UPFYNJBJN4K","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"AGJT6UPF","created_at":"2026-05-18T12:27:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:AGJT6UPFYNJBJN4KKUVBU54JRV","target":"record","payload":{"canonical_record":{"source":{"id":"1312.0793","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-03T12:17:40Z","cross_cats_sorted":[],"title_canon_sha256":"d6bb472be453ad9c51a24921bfbfc750ed76ad1f95fa851e12b51bc28f3c55aa","abstract_canon_sha256":"677ba03cdec1add2b8b2013f83af05c7f81a511cb6545e8820534e125674a33d"},"schema_version":"1.0"},"canonical_sha256":"01933f51e5c35214b78a552a1a77898d44e71e566ef745ab7b20844ccfbabab1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:59.252620Z","signature_b64":"F89z5oRb5FyANwOQVnUWe/tx/hJuFoE6JhOSOeE+rZeT1O1Yr/A+j6yGHBfMG62puUZKXom9rRGrbWHwf1m7BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01933f51e5c35214b78a552a1a77898d44e71e566ef745ab7b20844ccfbabab1","last_reissued_at":"2026-05-18T01:45:59.252061Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:59.252061Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.0793","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":"2026-05-18T01:45:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RFiOW7jb3FBu10O6zGq83VXBxEUvdvLcSoHCfkUHc1M/4cEBrQHkR4A+R7Hpabh3J651hMsYELUXqKTHSM53Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T07:49:02.907855Z"},"content_sha256":"0f748898b11700deca8d2b8abaf0b3463c961ed0e47e9910aa75f817b6638c75","schema_version":"1.0","event_id":"sha256:0f748898b11700deca8d2b8abaf0b3463c961ed0e47e9910aa75f817b6638c75"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:AGJT6UPFYNJBJN4KKUVBU54JRV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Survey for Ground-State OH Masers Toward a Sample of Herbig-Haro Objects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. de Witt, M. Bietenholz, M. Gaylard, R. Booth","submitted_at":"2013-12-03T12:17:40Z","abstract_excerpt":"Herbig-Haro objects are regions of shocked gas and dust which are produced when collimated outflows from a protostar interact with the surrounding dense gas. They have many similarities to supernova remnants which are interacting with molecular clouds. 1720-MHz OH masers have been identified towards a number of interacting supernova remnants. Observations and models indicate that these masers are shock excited and are produced behind C-type shocks. If conditions behind the shock fronts of Herbig-Haro objects are similarly able to support 1720-MHz OH masers they could be a useful diagnostic too"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.0793","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":"2026-05-18T01:45:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bi0VMNjOhzOGQGc4BErI9wBvoyKYPbwPnXxcc9x2AO6JBvQFmtkBZoxiVnsgCf66b9C/SvVoJRDaeDi6tn3SDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T07:49:02.908290Z"},"content_sha256":"3070868495f5b4e5a8a58161f79f1772f02ea712dbe0ccf7cd9b5e1ebde8e5d7","schema_version":"1.0","event_id":"sha256:3070868495f5b4e5a8a58161f79f1772f02ea712dbe0ccf7cd9b5e1ebde8e5d7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AGJT6UPFYNJBJN4KKUVBU54JRV/bundle.json","state_url":"https://pith.science/pith/AGJT6UPFYNJBJN4KKUVBU54JRV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AGJT6UPFYNJBJN4KKUVBU54JRV/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":"2026-06-01T07:49:02Z","links":{"resolver":"https://pith.science/pith/AGJT6UPFYNJBJN4KKUVBU54JRV","bundle":"https://pith.science/pith/AGJT6UPFYNJBJN4KKUVBU54JRV/bundle.json","state":"https://pith.science/pith/AGJT6UPFYNJBJN4KKUVBU54JRV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AGJT6UPFYNJBJN4KKUVBU54JRV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:AGJT6UPFYNJBJN4KKUVBU54JRV","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":"677ba03cdec1add2b8b2013f83af05c7f81a511cb6545e8820534e125674a33d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-03T12:17:40Z","title_canon_sha256":"d6bb472be453ad9c51a24921bfbfc750ed76ad1f95fa851e12b51bc28f3c55aa"},"schema_version":"1.0","source":{"id":"1312.0793","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.0793","created_at":"2026-05-18T01:45:59Z"},{"alias_kind":"arxiv_version","alias_value":"1312.0793v1","created_at":"2026-05-18T01:45:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.0793","created_at":"2026-05-18T01:45:59Z"},{"alias_kind":"pith_short_12","alias_value":"AGJT6UPFYNJB","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"AGJT6UPFYNJBJN4K","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"AGJT6UPF","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:3070868495f5b4e5a8a58161f79f1772f02ea712dbe0ccf7cd9b5e1ebde8e5d7","target":"graph","created_at":"2026-05-18T01:45:59Z","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":"Herbig-Haro objects are regions of shocked gas and dust which are produced when collimated outflows from a protostar interact with the surrounding dense gas. They have many similarities to supernova remnants which are interacting with molecular clouds. 1720-MHz OH masers have been identified towards a number of interacting supernova remnants. Observations and models indicate that these masers are shock excited and are produced behind C-type shocks. If conditions behind the shock fronts of Herbig-Haro objects are similarly able to support 1720-MHz OH masers they could be a useful diagnostic too","authors_text":"A. de Witt, M. Bietenholz, M. Gaylard, R. Booth","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-03T12:17:40Z","title":"A Survey for Ground-State OH Masers Toward a Sample of Herbig-Haro Objects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.0793","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":"sha256:0f748898b11700deca8d2b8abaf0b3463c961ed0e47e9910aa75f817b6638c75","target":"record","created_at":"2026-05-18T01:45:59Z","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":"677ba03cdec1add2b8b2013f83af05c7f81a511cb6545e8820534e125674a33d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-03T12:17:40Z","title_canon_sha256":"d6bb472be453ad9c51a24921bfbfc750ed76ad1f95fa851e12b51bc28f3c55aa"},"schema_version":"1.0","source":{"id":"1312.0793","kind":"arxiv","version":1}},"canonical_sha256":"01933f51e5c35214b78a552a1a77898d44e71e566ef745ab7b20844ccfbabab1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"01933f51e5c35214b78a552a1a77898d44e71e566ef745ab7b20844ccfbabab1","first_computed_at":"2026-05-18T01:45:59.252061Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:59.252061Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F89z5oRb5FyANwOQVnUWe/tx/hJuFoE6JhOSOeE+rZeT1O1Yr/A+j6yGHBfMG62puUZKXom9rRGrbWHwf1m7BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:59.252620Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.0793","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0f748898b11700deca8d2b8abaf0b3463c961ed0e47e9910aa75f817b6638c75","sha256:3070868495f5b4e5a8a58161f79f1772f02ea712dbe0ccf7cd9b5e1ebde8e5d7"],"state_sha256":"185d45b64df64ccad270a9ea7a01772a4887b73b7a4a0b3d6064fd347285b34d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b+MPeZn0hz9isC45Gpq1lT3rObRaYUNXHUs49MmlIc17/y7ELXsCmLF6KQ+b3JYIvHvFdosBfUrtAV9AEoNXBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T07:49:02.910649Z","bundle_sha256":"7ba99f4db5b20169ed8238f1b2b81fcfe64eb2f6089d91988863db6990fab4e9"}}