{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:IOMQADK7ETCRGAF56O6JHJABCV","short_pith_number":"pith:IOMQADK7","canonical_record":{"source":{"id":"1412.1823","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-04T21:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"d6144fd8ac068297d43ece31efc93a1e8905fe562f7bf1b1335e515d1f799fb6","abstract_canon_sha256":"15bb3697356890f2412d085d3bff270ea1f998b5b02cde8022b83778b8abcb56"},"schema_version":"1.0"},"canonical_sha256":"4399000d5f24c51300bdf3bc93a4011556a89126802cd8aee4160da0bf82e5f8","source":{"kind":"arxiv","id":"1412.1823","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.1823","created_at":"2026-05-18T01:41:23Z"},{"alias_kind":"arxiv_version","alias_value":"1412.1823v2","created_at":"2026-05-18T01:41:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.1823","created_at":"2026-05-18T01:41:23Z"},{"alias_kind":"pith_short_12","alias_value":"IOMQADK7ETCR","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IOMQADK7ETCRGAF5","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IOMQADK7","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:IOMQADK7ETCRGAF56O6JHJABCV","target":"record","payload":{"canonical_record":{"source":{"id":"1412.1823","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-04T21:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"d6144fd8ac068297d43ece31efc93a1e8905fe562f7bf1b1335e515d1f799fb6","abstract_canon_sha256":"15bb3697356890f2412d085d3bff270ea1f998b5b02cde8022b83778b8abcb56"},"schema_version":"1.0"},"canonical_sha256":"4399000d5f24c51300bdf3bc93a4011556a89126802cd8aee4160da0bf82e5f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:23.145721Z","signature_b64":"eXwMtzzCMHSrlnpS5YZgT8p9YyEi/aWKMWhGyRcUqUEPbshIQGlU3YrcgvYYaLycj3axmcu1ECRoxvF0mv66Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4399000d5f24c51300bdf3bc93a4011556a89126802cd8aee4160da0bf82e5f8","last_reissued_at":"2026-05-18T01:41:23.145033Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:23.145033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.1823","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:41:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WZBTBH/x9JBuJ+j+7KYY6KxoD9Esgr4ozGuyVN1w5yAfv1oMJYO+Ykgvqht0H7F4KLjEXANfnn5g8N5tZsb2Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T02:37:54.045897Z"},"content_sha256":"f2958ce8177fed3f0334784892b7c730083e5c77c03e15ea67f60f25cae62e5a","schema_version":"1.0","event_id":"sha256:f2958ce8177fed3f0334784892b7c730083e5c77c03e15ea67f60f25cae62e5a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:IOMQADK7ETCRGAF56O6JHJABCV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NuSTAR J095551+6940.8: a highly magnetised neutron star with super-Eddington mass accretion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Luigi Stella, Rosalba Perna, Simone Dall'Osso","submitted_at":"2014-12-04T21:00:02Z","abstract_excerpt":"The identification of the Ultraluminous X-ray source (ULX) X-2 in M82 as an accreting pulsar has shed new light on the nature of a subset of ULXs, while rising new questions on the nature of the super-Eddington accretion. Here, by numerically solving the torque equation of the accreting pulsar within the framework of the magnetically threaded-disk scenario, we show that three classes of solutions, corresponding to different values of the magnetic field, are mathematically allowed. We argue that the highest magnetic field one, corresponding to B $\\sim 10^{13}$ G, is favoured based on physical c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.1823","kind":"arxiv","version":2},"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":"2026-05-18T01:41:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aafHDg/zs6QbAMXL4wChnVWGmj+wlZtUtd0FCy4/kDETjlC8+1k3OLbj3QD0j+9qouoXEiNRLT1uQtV4IihiCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T02:37:54.080667Z"},"content_sha256":"3b2cb08a5b98f433eb205c92ad9fe423e547566d2b02069ac60d4fe26ab0f531","schema_version":"1.0","event_id":"sha256:3b2cb08a5b98f433eb205c92ad9fe423e547566d2b02069ac60d4fe26ab0f531"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IOMQADK7ETCRGAF56O6JHJABCV/bundle.json","state_url":"https://pith.science/pith/IOMQADK7ETCRGAF56O6JHJABCV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IOMQADK7ETCRGAF56O6JHJABCV/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":"2026-06-04T02:37:54Z","links":{"resolver":"https://pith.science/pith/IOMQADK7ETCRGAF56O6JHJABCV","bundle":"https://pith.science/pith/IOMQADK7ETCRGAF56O6JHJABCV/bundle.json","state":"https://pith.science/pith/IOMQADK7ETCRGAF56O6JHJABCV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IOMQADK7ETCRGAF56O6JHJABCV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:IOMQADK7ETCRGAF56O6JHJABCV","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":"15bb3697356890f2412d085d3bff270ea1f998b5b02cde8022b83778b8abcb56","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-04T21:00:02Z","title_canon_sha256":"d6144fd8ac068297d43ece31efc93a1e8905fe562f7bf1b1335e515d1f799fb6"},"schema_version":"1.0","source":{"id":"1412.1823","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.1823","created_at":"2026-05-18T01:41:23Z"},{"alias_kind":"arxiv_version","alias_value":"1412.1823v2","created_at":"2026-05-18T01:41:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.1823","created_at":"2026-05-18T01:41:23Z"},{"alias_kind":"pith_short_12","alias_value":"IOMQADK7ETCR","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IOMQADK7ETCRGAF5","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IOMQADK7","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:3b2cb08a5b98f433eb205c92ad9fe423e547566d2b02069ac60d4fe26ab0f531","target":"graph","created_at":"2026-05-18T01:41:23Z","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":"The identification of the Ultraluminous X-ray source (ULX) X-2 in M82 as an accreting pulsar has shed new light on the nature of a subset of ULXs, while rising new questions on the nature of the super-Eddington accretion. Here, by numerically solving the torque equation of the accreting pulsar within the framework of the magnetically threaded-disk scenario, we show that three classes of solutions, corresponding to different values of the magnetic field, are mathematically allowed. We argue that the highest magnetic field one, corresponding to B $\\sim 10^{13}$ G, is favoured based on physical c","authors_text":"Luigi Stella, Rosalba Perna, Simone Dall'Osso","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-04T21:00:02Z","title":"NuSTAR J095551+6940.8: a highly magnetised neutron star with super-Eddington mass accretion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.1823","kind":"arxiv","version":2},"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:f2958ce8177fed3f0334784892b7c730083e5c77c03e15ea67f60f25cae62e5a","target":"record","created_at":"2026-05-18T01:41:23Z","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":"15bb3697356890f2412d085d3bff270ea1f998b5b02cde8022b83778b8abcb56","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-04T21:00:02Z","title_canon_sha256":"d6144fd8ac068297d43ece31efc93a1e8905fe562f7bf1b1335e515d1f799fb6"},"schema_version":"1.0","source":{"id":"1412.1823","kind":"arxiv","version":2}},"canonical_sha256":"4399000d5f24c51300bdf3bc93a4011556a89126802cd8aee4160da0bf82e5f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4399000d5f24c51300bdf3bc93a4011556a89126802cd8aee4160da0bf82e5f8","first_computed_at":"2026-05-18T01:41:23.145033Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:23.145033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eXwMtzzCMHSrlnpS5YZgT8p9YyEi/aWKMWhGyRcUqUEPbshIQGlU3YrcgvYYaLycj3axmcu1ECRoxvF0mv66Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:23.145721Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.1823","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2958ce8177fed3f0334784892b7c730083e5c77c03e15ea67f60f25cae62e5a","sha256:3b2cb08a5b98f433eb205c92ad9fe423e547566d2b02069ac60d4fe26ab0f531"],"state_sha256":"45f5a485f64fbeefe24f338df4c8a69f1f78e7aae182dba2ad02534bc4a49827"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q6+Yil6ZPTz1Sh75UT2lbFjfYadp5dJkoGBGLWr2CUwOuo7jtBjlds9eJH+6o81Btgxda/m06RPI204I8lmyBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T02:37:54.543645Z","bundle_sha256":"c7621888157162e0f7486959cd5070d57b09867817e36f1b440a9b2a7e9ba044"}}