{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:5TTQK6QC7R5VGPNP5BP2WPVNBE","short_pith_number":"pith:5TTQK6QC","canonical_record":{"source":{"id":"2107.13415","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-07-28T15:04:05Z","cross_cats_sorted":[],"title_canon_sha256":"10278313683cd684971cb7aa1b96d33bd0bf29525e610897fcad8285645a60dc","abstract_canon_sha256":"e92de4ecfbb6060caedaa4c6b8e83fe421ce700d370b9a83967c955ad9072aef"},"schema_version":"1.0"},"canonical_sha256":"ece7057a02fc7b533dafe85fab3ead093a651c210f80895341535424bc1ddb2e","source":{"kind":"arxiv","id":"2107.13415","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.13415","created_at":"2026-07-05T03:17:57Z"},{"alias_kind":"arxiv_version","alias_value":"2107.13415v2","created_at":"2026-07-05T03:17:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.13415","created_at":"2026-07-05T03:17:57Z"},{"alias_kind":"pith_short_12","alias_value":"5TTQK6QC7R5V","created_at":"2026-07-05T03:17:57Z"},{"alias_kind":"pith_short_16","alias_value":"5TTQK6QC7R5VGPNP","created_at":"2026-07-05T03:17:57Z"},{"alias_kind":"pith_short_8","alias_value":"5TTQK6QC","created_at":"2026-07-05T03:17:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:5TTQK6QC7R5VGPNP5BP2WPVNBE","target":"record","payload":{"canonical_record":{"source":{"id":"2107.13415","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-07-28T15:04:05Z","cross_cats_sorted":[],"title_canon_sha256":"10278313683cd684971cb7aa1b96d33bd0bf29525e610897fcad8285645a60dc","abstract_canon_sha256":"e92de4ecfbb6060caedaa4c6b8e83fe421ce700d370b9a83967c955ad9072aef"},"schema_version":"1.0"},"canonical_sha256":"ece7057a02fc7b533dafe85fab3ead093a651c210f80895341535424bc1ddb2e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:17:57.420432Z","signature_b64":"I/6Qyi20X2ryzJd3h6kDNhFqOOfHd+r0I8Ftgx12qNynluS4P5xTWUTDr13z/q3uowHRztWzH+NrUEXQGK4hAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ece7057a02fc7b533dafe85fab3ead093a651c210f80895341535424bc1ddb2e","last_reissued_at":"2026-07-05T03:17:57.419958Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:17:57.419958Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.13415","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":"2026-07-05T03:17:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jVvV29SyF6iQudNABm8Q/sggvQ99tYqQYZLi6tMxapgHfL+f7QFDBVpZuH6fxe3ZASxnDDKt5EZ9qJXzMdlhAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-28T01:52:53.343761Z"},"content_sha256":"37ee8d0b38190aa373ac06258dae0dc787c17181432e813a2c271bd14b41e43a","schema_version":"1.0","event_id":"sha256:37ee8d0b38190aa373ac06258dae0dc787c17181432e813a2c271bd14b41e43a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:5TTQK6QC7R5VGPNP5BP2WPVNBE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exclusive production of $\\rho$-mesons in high-energy factorization at HERA and EIC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Alessandro Papa, Andr\\`ee Dafne Bolognino, Antoni Szczurek, Dmitry Yu. Ivanov, Francesco Giovanni Celiberto, Wolfgang Sch\\\"afer","submitted_at":"2021-07-28T15:04:05Z","abstract_excerpt":"We calculate cross sections for the exclusive diffractive leptoproduction of $\\rho$-mesons, $\\gamma^*~p~\\to~\\rho~p$, within the framework of high-energy factorization. Cross sections for longitudinally and transversally polarized mesons are shown. We employ a wide variety of unintegrated gluon distributions available in the literature and compare to HERA data. The resulting cross sections strongly depend on the choice of unintegrated gluon distribution. We also present predictions for the proton target in the kinematics of the Brookhaven EIC."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.13415","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/2107.13415/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":"2026-07-05T03:17:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bRRFvXoacmYSgmCVYiRX5pcK/2muV8QXGBlAksifQrDfzna5GYGLxY79Ytdgg6agGCBzESFK7Nbi8jGvmO1DAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-28T01:52:53.344143Z"},"content_sha256":"02b1e8321b13c0fec6a19d21a1ae2357117c4b554c63565745350237fad1f59c","schema_version":"1.0","event_id":"sha256:02b1e8321b13c0fec6a19d21a1ae2357117c4b554c63565745350237fad1f59c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5TTQK6QC7R5VGPNP5BP2WPVNBE/bundle.json","state_url":"https://pith.science/pith/5TTQK6QC7R5VGPNP5BP2WPVNBE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5TTQK6QC7R5VGPNP5BP2WPVNBE/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":"2026-07-28T01:52:53Z","links":{"resolver":"https://pith.science/pith/5TTQK6QC7R5VGPNP5BP2WPVNBE","bundle":"https://pith.science/pith/5TTQK6QC7R5VGPNP5BP2WPVNBE/bundle.json","state":"https://pith.science/pith/5TTQK6QC7R5VGPNP5BP2WPVNBE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5TTQK6QC7R5VGPNP5BP2WPVNBE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:5TTQK6QC7R5VGPNP5BP2WPVNBE","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":"e92de4ecfbb6060caedaa4c6b8e83fe421ce700d370b9a83967c955ad9072aef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-07-28T15:04:05Z","title_canon_sha256":"10278313683cd684971cb7aa1b96d33bd0bf29525e610897fcad8285645a60dc"},"schema_version":"1.0","source":{"id":"2107.13415","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.13415","created_at":"2026-07-05T03:17:57Z"},{"alias_kind":"arxiv_version","alias_value":"2107.13415v2","created_at":"2026-07-05T03:17:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.13415","created_at":"2026-07-05T03:17:57Z"},{"alias_kind":"pith_short_12","alias_value":"5TTQK6QC7R5V","created_at":"2026-07-05T03:17:57Z"},{"alias_kind":"pith_short_16","alias_value":"5TTQK6QC7R5VGPNP","created_at":"2026-07-05T03:17:57Z"},{"alias_kind":"pith_short_8","alias_value":"5TTQK6QC","created_at":"2026-07-05T03:17:57Z"}],"graph_snapshots":[{"event_id":"sha256:02b1e8321b13c0fec6a19d21a1ae2357117c4b554c63565745350237fad1f59c","target":"graph","created_at":"2026-07-05T03:17:57Z","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/2107.13415/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We calculate cross sections for the exclusive diffractive leptoproduction of $\\rho$-mesons, $\\gamma^*~p~\\to~\\rho~p$, within the framework of high-energy factorization. Cross sections for longitudinally and transversally polarized mesons are shown. We employ a wide variety of unintegrated gluon distributions available in the literature and compare to HERA data. The resulting cross sections strongly depend on the choice of unintegrated gluon distribution. We also present predictions for the proton target in the kinematics of the Brookhaven EIC.","authors_text":"Alessandro Papa, Andr\\`ee Dafne Bolognino, Antoni Szczurek, Dmitry Yu. Ivanov, Francesco Giovanni Celiberto, Wolfgang Sch\\\"afer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-07-28T15:04:05Z","title":"Exclusive production of $\\rho$-mesons in high-energy factorization at HERA and EIC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.13415","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":"sha256:37ee8d0b38190aa373ac06258dae0dc787c17181432e813a2c271bd14b41e43a","target":"record","created_at":"2026-07-05T03:17:57Z","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":"e92de4ecfbb6060caedaa4c6b8e83fe421ce700d370b9a83967c955ad9072aef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-07-28T15:04:05Z","title_canon_sha256":"10278313683cd684971cb7aa1b96d33bd0bf29525e610897fcad8285645a60dc"},"schema_version":"1.0","source":{"id":"2107.13415","kind":"arxiv","version":2}},"canonical_sha256":"ece7057a02fc7b533dafe85fab3ead093a651c210f80895341535424bc1ddb2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ece7057a02fc7b533dafe85fab3ead093a651c210f80895341535424bc1ddb2e","first_computed_at":"2026-07-05T03:17:57.419958Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:17:57.419958Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I/6Qyi20X2ryzJd3h6kDNhFqOOfHd+r0I8Ftgx12qNynluS4P5xTWUTDr13z/q3uowHRztWzH+NrUEXQGK4hAw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:17:57.420432Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.13415","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:37ee8d0b38190aa373ac06258dae0dc787c17181432e813a2c271bd14b41e43a","sha256:02b1e8321b13c0fec6a19d21a1ae2357117c4b554c63565745350237fad1f59c"],"state_sha256":"4506aed4ce8296a89c87a43535e9b9530090df75fb3cb1ddf515f8ec2a34869f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lUbht+WXyxuLWp+fACeNHPgxSCUQX/JEwAOvbDE740Q8PupjV9XN0MyTdi84FG+b4sHXmfLQrZU+2g3049g5Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-28T01:52:53.346390Z","bundle_sha256":"269faa76eb1be79f775726bc54d3ed535afc68913a5286983b1874bc904484e4"}}