{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:BWIU7KEYTDHJGSK7EUECZ4I6X2","short_pith_number":"pith:BWIU7KEY","canonical_record":{"source":{"id":"0810.5771","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-10-31T19:39:42Z","cross_cats_sorted":[],"title_canon_sha256":"bd0a6d73ce14fec249fff93f82d148c1504fa11ddb02b4340ada43f407bf619a","abstract_canon_sha256":"194627d39e145dd76860bcb5767da10e35f557b8d7d4449540060198923757f9"},"schema_version":"1.0"},"canonical_sha256":"0d914fa89898ce93495f25082cf11ebeb0a1de18060f80b5d0747e46fe726c1a","source":{"kind":"arxiv","id":"0810.5771","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.5771","created_at":"2026-07-04T15:41:34Z"},{"alias_kind":"arxiv_version","alias_value":"0810.5771v2","created_at":"2026-07-04T15:41:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.5771","created_at":"2026-07-04T15:41:34Z"},{"alias_kind":"pith_short_12","alias_value":"BWIU7KEYTDHJ","created_at":"2026-07-04T15:41:34Z"},{"alias_kind":"pith_short_16","alias_value":"BWIU7KEYTDHJGSK7","created_at":"2026-07-04T15:41:34Z"},{"alias_kind":"pith_short_8","alias_value":"BWIU7KEY","created_at":"2026-07-04T15:41:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:BWIU7KEYTDHJGSK7EUECZ4I6X2","target":"record","payload":{"canonical_record":{"source":{"id":"0810.5771","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-10-31T19:39:42Z","cross_cats_sorted":[],"title_canon_sha256":"bd0a6d73ce14fec249fff93f82d148c1504fa11ddb02b4340ada43f407bf619a","abstract_canon_sha256":"194627d39e145dd76860bcb5767da10e35f557b8d7d4449540060198923757f9"},"schema_version":"1.0"},"canonical_sha256":"0d914fa89898ce93495f25082cf11ebeb0a1de18060f80b5d0747e46fe726c1a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:41:34.190115Z","signature_b64":"Ip8/I4uLjMQ6IX4GhXHJnUwQteJut0tMy4XpFPRkQpnVDFD0DIXB5L54yG1hVgpOIW5O0vfkN2kpw9PclFURAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0d914fa89898ce93495f25082cf11ebeb0a1de18060f80b5d0747e46fe726c1a","last_reissued_at":"2026-07-04T15:41:34.189772Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:41:34.189772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0810.5771","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":"2026-07-04T15:41:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zyxMQlXVy6iyqF002OGKQcSufcbS0GNxYvyarnGOxU/Egov01xwB5mr5aht9GNQb89/3Wsew34bJtdZ1dIzZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:33:15.236233Z"},"content_sha256":"e60ee664b321bf12f6b704dc212bf481f864f179874a3d1a683bfa3337fc760d","schema_version":"1.0","event_id":"sha256:e60ee664b321bf12f6b704dc212bf481f864f179874a3d1a683bfa3337fc760d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:BWIU7KEYTDHJGSK7EUECZ4I6X2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Scalar Meson f0(980) in Heavy-Meson Decays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"B. El-Bennich, B. Loiseau, J.-P. Dedonder, O. Leitner","submitted_at":"2008-10-31T19:39:42Z","abstract_excerpt":"A phenomenological analysis of the scalar meson f0(980) is performed that relies on the quasi-two body decays D and Ds -> f0(980)P, with P=pi, K. The two-body branching ratios are deduced from experimental data on D or Ds -> pi pi pi, K Kbar pi and from the f0(980) -> pi+ pi- and f0(980) -> K+ K- branching fractions. Within a covariant quark model, the scalar form factors F0(q2) for the transitions D and Ds -> f0(980) are computed. The weak D decay amplitudes, in which these form factors enter, are obtained in the naive factorization approach assuming a quark-antiquark state for the scalar and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.5771","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0810.5771/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":"2026-07-04T15:41:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ScCPbYMmlg7RCJOnWZYfMqKW6bwQ/0hhFxUakESE8QvLz+TMeUKDA2jJW0BPEkCpyZa3EHbjKlQ02APesOURBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:33:15.236769Z"},"content_sha256":"9f1053817757c24072fe88cf5d1ba3f429e690c494e056be789e9ac507b6ff3c","schema_version":"1.0","event_id":"sha256:9f1053817757c24072fe88cf5d1ba3f429e690c494e056be789e9ac507b6ff3c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BWIU7KEYTDHJGSK7EUECZ4I6X2/bundle.json","state_url":"https://pith.science/pith/BWIU7KEYTDHJGSK7EUECZ4I6X2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BWIU7KEYTDHJGSK7EUECZ4I6X2/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":"2026-08-05T09:33:15Z","links":{"resolver":"https://pith.science/pith/BWIU7KEYTDHJGSK7EUECZ4I6X2","bundle":"https://pith.science/pith/BWIU7KEYTDHJGSK7EUECZ4I6X2/bundle.json","state":"https://pith.science/pith/BWIU7KEYTDHJGSK7EUECZ4I6X2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BWIU7KEYTDHJGSK7EUECZ4I6X2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:BWIU7KEYTDHJGSK7EUECZ4I6X2","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":"194627d39e145dd76860bcb5767da10e35f557b8d7d4449540060198923757f9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-10-31T19:39:42Z","title_canon_sha256":"bd0a6d73ce14fec249fff93f82d148c1504fa11ddb02b4340ada43f407bf619a"},"schema_version":"1.0","source":{"id":"0810.5771","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.5771","created_at":"2026-07-04T15:41:34Z"},{"alias_kind":"arxiv_version","alias_value":"0810.5771v2","created_at":"2026-07-04T15:41:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.5771","created_at":"2026-07-04T15:41:34Z"},{"alias_kind":"pith_short_12","alias_value":"BWIU7KEYTDHJ","created_at":"2026-07-04T15:41:34Z"},{"alias_kind":"pith_short_16","alias_value":"BWIU7KEYTDHJGSK7","created_at":"2026-07-04T15:41:34Z"},{"alias_kind":"pith_short_8","alias_value":"BWIU7KEY","created_at":"2026-07-04T15:41:34Z"}],"graph_snapshots":[{"event_id":"sha256:9f1053817757c24072fe88cf5d1ba3f429e690c494e056be789e9ac507b6ff3c","target":"graph","created_at":"2026-07-04T15:41:34Z","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/0810.5771/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A phenomenological analysis of the scalar meson f0(980) is performed that relies on the quasi-two body decays D and Ds -> f0(980)P, with P=pi, K. The two-body branching ratios are deduced from experimental data on D or Ds -> pi pi pi, K Kbar pi and from the f0(980) -> pi+ pi- and f0(980) -> K+ K- branching fractions. Within a covariant quark model, the scalar form factors F0(q2) for the transitions D and Ds -> f0(980) are computed. The weak D decay amplitudes, in which these form factors enter, are obtained in the naive factorization approach assuming a quark-antiquark state for the scalar and","authors_text":"B. El-Bennich, B. Loiseau, J.-P. Dedonder, O. Leitner","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-10-31T19:39:42Z","title":"The Scalar Meson f0(980) in Heavy-Meson Decays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.5771","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:e60ee664b321bf12f6b704dc212bf481f864f179874a3d1a683bfa3337fc760d","target":"record","created_at":"2026-07-04T15:41:34Z","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":"194627d39e145dd76860bcb5767da10e35f557b8d7d4449540060198923757f9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2008-10-31T19:39:42Z","title_canon_sha256":"bd0a6d73ce14fec249fff93f82d148c1504fa11ddb02b4340ada43f407bf619a"},"schema_version":"1.0","source":{"id":"0810.5771","kind":"arxiv","version":2}},"canonical_sha256":"0d914fa89898ce93495f25082cf11ebeb0a1de18060f80b5d0747e46fe726c1a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0d914fa89898ce93495f25082cf11ebeb0a1de18060f80b5d0747e46fe726c1a","first_computed_at":"2026-07-04T15:41:34.189772Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:41:34.189772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ip8/I4uLjMQ6IX4GhXHJnUwQteJut0tMy4XpFPRkQpnVDFD0DIXB5L54yG1hVgpOIW5O0vfkN2kpw9PclFURAg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:41:34.190115Z","signed_message":"canonical_sha256_bytes"},"source_id":"0810.5771","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e60ee664b321bf12f6b704dc212bf481f864f179874a3d1a683bfa3337fc760d","sha256:9f1053817757c24072fe88cf5d1ba3f429e690c494e056be789e9ac507b6ff3c"],"state_sha256":"f9019f75f6852a95e81c27cb0bc7913df799c7b435e0f512a4b06f328fc8a2db"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ug/DSsniRbtzIIijJGJxVU8IoTGNYUsZLHwBPhpfwPbKHb49VHrELgX7dHawt6rS1wAwVspLE5KT0SYUSBHfCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T09:33:15.246259Z","bundle_sha256":"2b81b85213f154826d7ae061e907a30333ea50fc83b6278a264e03fbf13f5c42"}}