{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:HH7WY7YCQIE7HCIC6NRYFMDYUK","short_pith_number":"pith:HH7WY7YC","canonical_record":{"source":{"id":"1711.03039","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-08T16:31:46Z","cross_cats_sorted":[],"title_canon_sha256":"0eff972c2e8867c04e1dbeca9201a3d8447609cf3a47ba59e902182f9f8ce2c2","abstract_canon_sha256":"88d01f8c340f331196202ef4c0a5232ac9fd2de073cbe37c0bd13f11c22b3a57"},"schema_version":"1.0"},"canonical_sha256":"39ff6c7f028209f38902f36382b078a2ae04442e4f81ad16e93ec16d0e26bfc0","source":{"kind":"arxiv","id":"1711.03039","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.03039","created_at":"2026-05-18T00:31:00Z"},{"alias_kind":"arxiv_version","alias_value":"1711.03039v1","created_at":"2026-05-18T00:31:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.03039","created_at":"2026-05-18T00:31:00Z"},{"alias_kind":"pith_short_12","alias_value":"HH7WY7YCQIE7","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HH7WY7YCQIE7HCIC","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HH7WY7YC","created_at":"2026-05-18T12:31:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:HH7WY7YCQIE7HCIC6NRYFMDYUK","target":"record","payload":{"canonical_record":{"source":{"id":"1711.03039","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-08T16:31:46Z","cross_cats_sorted":[],"title_canon_sha256":"0eff972c2e8867c04e1dbeca9201a3d8447609cf3a47ba59e902182f9f8ce2c2","abstract_canon_sha256":"88d01f8c340f331196202ef4c0a5232ac9fd2de073cbe37c0bd13f11c22b3a57"},"schema_version":"1.0"},"canonical_sha256":"39ff6c7f028209f38902f36382b078a2ae04442e4f81ad16e93ec16d0e26bfc0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:31:00.964201Z","signature_b64":"WvqoDuSoRLsAFUW/R3vqlZio8L0w+fRfP9pPNN01zE/4sSkMSyR+AK80YbD5il4iyqqsiNoAp3TQwzxqbAV7CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39ff6c7f028209f38902f36382b078a2ae04442e4f81ad16e93ec16d0e26bfc0","last_reissued_at":"2026-05-18T00:31:00.963562Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:31:00.963562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.03039","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":"2026-05-18T00:31:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x9tKSour0YWFs/r3yRjNBerS2hBCtuiVWygXy7Em0lPji13wWV5emBwkemGG19YHItX+PqK0TgP6v06go7vUAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T15:32:15.929933Z"},"content_sha256":"a358b8c8ff2ad9f629af4aabc4a2919d09d9152704d936422db5fc0f1663c904","schema_version":"1.0","event_id":"sha256:a358b8c8ff2ad9f629af4aabc4a2919d09d9152704d936422db5fc0f1663c904"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:HH7WY7YCQIE7HCIC6NRYFMDYUK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"s-Processing from MHD-induced mixing and isotopic abundances in presolar SiC grains","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Zucchini, D. Vescovi, F. Frondini, M. Busso, M. Petrelli, O. Trippella, S. Palmerini","submitted_at":"2017-11-08T16:31:46Z","abstract_excerpt":"In the past years the observational evidence that s-process elements from Sr to Pb are produced by stars ascending the socalled Asymptotic Giant Branch (or AGB) could not be explained by self-consistent models, forcing researchers to extensive parameterizations. The crucial point is to understand how protons can be injected from the envelope into the He-rich layers, yielding the formation of 13C and then the activation of the 13C(a,n)16O reaction. Only recently, attempts to solve this problem started to consider quantitatively physically-based mixing mechanisms. Among them, MHD processes in th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.03039","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":"2026-05-18T00:31:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8EeyW+s80hYbJsY3wuIxbtT7qlG686eX0MUTWB2M4Ph+cVCSi335jDqiD5BNY6kPL5DojbgpSpLtyadpsB1RDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T15:32:15.930577Z"},"content_sha256":"aa38b3ba82815701f78f1241cbe0f4f0c7b8eaf3e8aa640672c06daac4591537","schema_version":"1.0","event_id":"sha256:aa38b3ba82815701f78f1241cbe0f4f0c7b8eaf3e8aa640672c06daac4591537"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HH7WY7YCQIE7HCIC6NRYFMDYUK/bundle.json","state_url":"https://pith.science/pith/HH7WY7YCQIE7HCIC6NRYFMDYUK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HH7WY7YCQIE7HCIC6NRYFMDYUK/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":"2026-06-07T15:32:15Z","links":{"resolver":"https://pith.science/pith/HH7WY7YCQIE7HCIC6NRYFMDYUK","bundle":"https://pith.science/pith/HH7WY7YCQIE7HCIC6NRYFMDYUK/bundle.json","state":"https://pith.science/pith/HH7WY7YCQIE7HCIC6NRYFMDYUK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HH7WY7YCQIE7HCIC6NRYFMDYUK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:HH7WY7YCQIE7HCIC6NRYFMDYUK","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":"88d01f8c340f331196202ef4c0a5232ac9fd2de073cbe37c0bd13f11c22b3a57","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-08T16:31:46Z","title_canon_sha256":"0eff972c2e8867c04e1dbeca9201a3d8447609cf3a47ba59e902182f9f8ce2c2"},"schema_version":"1.0","source":{"id":"1711.03039","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.03039","created_at":"2026-05-18T00:31:00Z"},{"alias_kind":"arxiv_version","alias_value":"1711.03039v1","created_at":"2026-05-18T00:31:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.03039","created_at":"2026-05-18T00:31:00Z"},{"alias_kind":"pith_short_12","alias_value":"HH7WY7YCQIE7","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HH7WY7YCQIE7HCIC","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HH7WY7YC","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:aa38b3ba82815701f78f1241cbe0f4f0c7b8eaf3e8aa640672c06daac4591537","target":"graph","created_at":"2026-05-18T00:31:00Z","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":"In the past years the observational evidence that s-process elements from Sr to Pb are produced by stars ascending the socalled Asymptotic Giant Branch (or AGB) could not be explained by self-consistent models, forcing researchers to extensive parameterizations. The crucial point is to understand how protons can be injected from the envelope into the He-rich layers, yielding the formation of 13C and then the activation of the 13C(a,n)16O reaction. Only recently, attempts to solve this problem started to consider quantitatively physically-based mixing mechanisms. Among them, MHD processes in th","authors_text":"A. Zucchini, D. Vescovi, F. Frondini, M. Busso, M. Petrelli, O. Trippella, S. Palmerini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-08T16:31:46Z","title":"s-Processing from MHD-induced mixing and isotopic abundances in presolar SiC grains"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.03039","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:a358b8c8ff2ad9f629af4aabc4a2919d09d9152704d936422db5fc0f1663c904","target":"record","created_at":"2026-05-18T00:31:00Z","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":"88d01f8c340f331196202ef4c0a5232ac9fd2de073cbe37c0bd13f11c22b3a57","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-08T16:31:46Z","title_canon_sha256":"0eff972c2e8867c04e1dbeca9201a3d8447609cf3a47ba59e902182f9f8ce2c2"},"schema_version":"1.0","source":{"id":"1711.03039","kind":"arxiv","version":1}},"canonical_sha256":"39ff6c7f028209f38902f36382b078a2ae04442e4f81ad16e93ec16d0e26bfc0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39ff6c7f028209f38902f36382b078a2ae04442e4f81ad16e93ec16d0e26bfc0","first_computed_at":"2026-05-18T00:31:00.963562Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:31:00.963562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WvqoDuSoRLsAFUW/R3vqlZio8L0w+fRfP9pPNN01zE/4sSkMSyR+AK80YbD5il4iyqqsiNoAp3TQwzxqbAV7CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:31:00.964201Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.03039","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a358b8c8ff2ad9f629af4aabc4a2919d09d9152704d936422db5fc0f1663c904","sha256:aa38b3ba82815701f78f1241cbe0f4f0c7b8eaf3e8aa640672c06daac4591537"],"state_sha256":"fc5111daeeb090c141dbd1453fd684bb57396cc5e4090cc3bc397824ec461988"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0aUNJaRE6GV0RR63fG5qvgPOuVKGPxiMr+kvS7c1kH2UpzKSDD6HvE2ScUhCSKvt3YDFbVl7NluH50og5pDtBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T15:32:15.934379Z","bundle_sha256":"e71125a93f2f3dbbcd47d14b5fb7a902df05b9278846d695ea24b6a055d8344a"}}