{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:H3N63CG56BCPBPX4FRMTCBM2UT","short_pith_number":"pith:H3N63CG5","canonical_record":{"source":{"id":"0710.2491","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-10-12T15:42:39Z","cross_cats_sorted":[],"title_canon_sha256":"8ae6e897eee123693fb5cf414bfc3a2d4375f0b375d8cb00f2eb8d30edc5b0c6","abstract_canon_sha256":"436ba904faedc90c69d4f1688bdd48dab1ae92c315e6ae435fbbc27c176e774b"},"schema_version":"1.0"},"canonical_sha256":"3edbed88ddf044f0befc2c5931059aa4c571e29097ffa7ea511843f464b00b5b","source":{"kind":"arxiv","id":"0710.2491","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0710.2491","created_at":"2026-07-04T17:06:14Z"},{"alias_kind":"arxiv_version","alias_value":"0710.2491v1","created_at":"2026-07-04T17:06:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.2491","created_at":"2026-07-04T17:06:14Z"},{"alias_kind":"pith_short_12","alias_value":"H3N63CG56BCP","created_at":"2026-07-04T17:06:14Z"},{"alias_kind":"pith_short_16","alias_value":"H3N63CG56BCPBPX4","created_at":"2026-07-04T17:06:14Z"},{"alias_kind":"pith_short_8","alias_value":"H3N63CG5","created_at":"2026-07-04T17:06:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:H3N63CG56BCPBPX4FRMTCBM2UT","target":"record","payload":{"canonical_record":{"source":{"id":"0710.2491","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-10-12T15:42:39Z","cross_cats_sorted":[],"title_canon_sha256":"8ae6e897eee123693fb5cf414bfc3a2d4375f0b375d8cb00f2eb8d30edc5b0c6","abstract_canon_sha256":"436ba904faedc90c69d4f1688bdd48dab1ae92c315e6ae435fbbc27c176e774b"},"schema_version":"1.0"},"canonical_sha256":"3edbed88ddf044f0befc2c5931059aa4c571e29097ffa7ea511843f464b00b5b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:06:14.281344Z","signature_b64":"K9Spkt3oBYWuLWIL58DYmOijOOfqledBSUTUaeTCMfor1jcycLDaFLzHvxhdjjOG1sKJe3SO30zuoKNsp46eCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3edbed88ddf044f0befc2c5931059aa4c571e29097ffa7ea511843f464b00b5b","last_reissued_at":"2026-07-04T17:06:14.280908Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:06:14.280908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0710.2491","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":"2026-07-04T17:06:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RnM+AroIBOzv0Dia8BruxNlBVO01HrCZSzmejvorcbzM63bEHRPyRlCK3SQehI7kKSZZ/yBd4dYeEISmKkY+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:04:00.156234Z"},"content_sha256":"dd762d6af70f923493468d571a0c4187d8d5b97783e8466a346f704da24bdf2c","schema_version":"1.0","event_id":"sha256:dd762d6af70f923493468d571a0c4187d8d5b97783e8466a346f704da24bdf2c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:H3N63CG56BCPBPX4FRMTCBM2UT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Rapid Outbursting Star GM Cep: An EX-or in Tr 37?","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Attila Juhasz, Attila Moor, Aurora Sicilia-Aguilar, Bruno Merin, Felix Hormuth, Lee Hartmann, Maria Kun, Nimesh Patel, Peter Abraham, Szilard Csizmadia, Thomas Henning, Wolfgang Brandner","submitted_at":"2007-10-12T15:42:39Z","abstract_excerpt":"We present optical, IR and millimeter observations of the solar-type star 13-277, also known as GM Cep, in the 4 Myr-old cluster Tr 37. GM Cep experiences rapid magnitude variations of more than 2 mag at optical wavelengths. We explore the causes of the variability, which seem to be dominated by strong increases in the accretion, being similar to EX-or episodes. The star shows high, variable accretion rates (up to ~10$^{-6}$ Msun/yr), signs of powerful winds, and it is a very fast rotator (Vsini~43 km/s). Its strong mid-IR excesses reveal a very flared disk and/or a remnant envelope, most like"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.2491","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/0710.2491/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":"2026-07-04T17:06:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z20v5u9c8UbMvA7E89FJoeQqfWiZEOZWqeP0QRw9FoEJ7/6Y5qGdTbxMfSZzSaksPBR+bIFFD+dilkjjO/rlCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:04:00.156748Z"},"content_sha256":"58f681836898771e55c1b6721181f3af68af5df80a3e6dda98d103dbebdb509f","schema_version":"1.0","event_id":"sha256:58f681836898771e55c1b6721181f3af68af5df80a3e6dda98d103dbebdb509f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H3N63CG56BCPBPX4FRMTCBM2UT/bundle.json","state_url":"https://pith.science/pith/H3N63CG56BCPBPX4FRMTCBM2UT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H3N63CG56BCPBPX4FRMTCBM2UT/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":"2026-08-05T06:04:00Z","links":{"resolver":"https://pith.science/pith/H3N63CG56BCPBPX4FRMTCBM2UT","bundle":"https://pith.science/pith/H3N63CG56BCPBPX4FRMTCBM2UT/bundle.json","state":"https://pith.science/pith/H3N63CG56BCPBPX4FRMTCBM2UT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H3N63CG56BCPBPX4FRMTCBM2UT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:H3N63CG56BCPBPX4FRMTCBM2UT","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":"436ba904faedc90c69d4f1688bdd48dab1ae92c315e6ae435fbbc27c176e774b","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-10-12T15:42:39Z","title_canon_sha256":"8ae6e897eee123693fb5cf414bfc3a2d4375f0b375d8cb00f2eb8d30edc5b0c6"},"schema_version":"1.0","source":{"id":"0710.2491","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0710.2491","created_at":"2026-07-04T17:06:14Z"},{"alias_kind":"arxiv_version","alias_value":"0710.2491v1","created_at":"2026-07-04T17:06:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.2491","created_at":"2026-07-04T17:06:14Z"},{"alias_kind":"pith_short_12","alias_value":"H3N63CG56BCP","created_at":"2026-07-04T17:06:14Z"},{"alias_kind":"pith_short_16","alias_value":"H3N63CG56BCPBPX4","created_at":"2026-07-04T17:06:14Z"},{"alias_kind":"pith_short_8","alias_value":"H3N63CG5","created_at":"2026-07-04T17:06:14Z"}],"graph_snapshots":[{"event_id":"sha256:58f681836898771e55c1b6721181f3af68af5df80a3e6dda98d103dbebdb509f","target":"graph","created_at":"2026-07-04T17:06:14Z","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/0710.2491/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present optical, IR and millimeter observations of the solar-type star 13-277, also known as GM Cep, in the 4 Myr-old cluster Tr 37. GM Cep experiences rapid magnitude variations of more than 2 mag at optical wavelengths. We explore the causes of the variability, which seem to be dominated by strong increases in the accretion, being similar to EX-or episodes. The star shows high, variable accretion rates (up to ~10$^{-6}$ Msun/yr), signs of powerful winds, and it is a very fast rotator (Vsini~43 km/s). Its strong mid-IR excesses reveal a very flared disk and/or a remnant envelope, most like","authors_text":"Attila Juhasz, Attila Moor, Aurora Sicilia-Aguilar, Bruno Merin, Felix Hormuth, Lee Hartmann, Maria Kun, Nimesh Patel, Peter Abraham, Szilard Csizmadia, Thomas Henning, Wolfgang Brandner","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-10-12T15:42:39Z","title":"The Rapid Outbursting Star GM Cep: An EX-or in Tr 37?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.2491","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:dd762d6af70f923493468d571a0c4187d8d5b97783e8466a346f704da24bdf2c","target":"record","created_at":"2026-07-04T17:06:14Z","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":"436ba904faedc90c69d4f1688bdd48dab1ae92c315e6ae435fbbc27c176e774b","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-10-12T15:42:39Z","title_canon_sha256":"8ae6e897eee123693fb5cf414bfc3a2d4375f0b375d8cb00f2eb8d30edc5b0c6"},"schema_version":"1.0","source":{"id":"0710.2491","kind":"arxiv","version":1}},"canonical_sha256":"3edbed88ddf044f0befc2c5931059aa4c571e29097ffa7ea511843f464b00b5b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3edbed88ddf044f0befc2c5931059aa4c571e29097ffa7ea511843f464b00b5b","first_computed_at":"2026-07-04T17:06:14.280908Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:06:14.280908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K9Spkt3oBYWuLWIL58DYmOijOOfqledBSUTUaeTCMfor1jcycLDaFLzHvxhdjjOG1sKJe3SO30zuoKNsp46eCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T17:06:14.281344Z","signed_message":"canonical_sha256_bytes"},"source_id":"0710.2491","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd762d6af70f923493468d571a0c4187d8d5b97783e8466a346f704da24bdf2c","sha256:58f681836898771e55c1b6721181f3af68af5df80a3e6dda98d103dbebdb509f"],"state_sha256":"7cfada34b94cfae8c1b88c7c5343f5fed78dec669caac4c06a337b506e5a9002"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b+27O/iEkWmdKONJDMpack7vilREcsiXaYc+pipz9UFjILmXgjV3BFfmhjXZVlTAZDm/+FtEmpkD1QAJSim+DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T06:04:00.177013Z","bundle_sha256":"40f96a33b371289a5cd137becd902d000dc539c0a9e87250ed52abfd6b52af09"}}