{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:QFNJIQ3RLPLBZTT7LS7YWUVO37","short_pith_number":"pith:QFNJIQ3R","canonical_record":{"source":{"id":"1709.01585","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-09-05T20:37:45Z","cross_cats_sorted":[],"title_canon_sha256":"aaf025014a1d9504bd126dd66fb357c6620d9c8b41a12d254b7f80ca287a108e","abstract_canon_sha256":"f2b7e8e2b3c005c73cdb6fba5200be2a7589e700b5a65609bd4d2ed2deeb92d0"},"schema_version":"1.0"},"canonical_sha256":"815a9443715bd61cce7f5cbf8b52aedfff05b5f5242e29cfbcd01a8b08030481","source":{"kind":"arxiv","id":"1709.01585","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.01585","created_at":"2026-05-18T00:27:12Z"},{"alias_kind":"arxiv_version","alias_value":"1709.01585v2","created_at":"2026-05-18T00:27:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.01585","created_at":"2026-05-18T00:27:12Z"},{"alias_kind":"pith_short_12","alias_value":"QFNJIQ3RLPLB","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"QFNJIQ3RLPLBZTT7","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"QFNJIQ3R","created_at":"2026-05-18T12:31:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:QFNJIQ3RLPLBZTT7LS7YWUVO37","target":"record","payload":{"canonical_record":{"source":{"id":"1709.01585","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-09-05T20:37:45Z","cross_cats_sorted":[],"title_canon_sha256":"aaf025014a1d9504bd126dd66fb357c6620d9c8b41a12d254b7f80ca287a108e","abstract_canon_sha256":"f2b7e8e2b3c005c73cdb6fba5200be2a7589e700b5a65609bd4d2ed2deeb92d0"},"schema_version":"1.0"},"canonical_sha256":"815a9443715bd61cce7f5cbf8b52aedfff05b5f5242e29cfbcd01a8b08030481","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:12.950374Z","signature_b64":"sOg8gmn0ZABvtpaSgBT/H/MjuyPCDGXZJvAPJ3F5C1o3aksi7uoQ/oCAPTRK1GgWYA9Mudi3jUsbOPhrWPELCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"815a9443715bd61cce7f5cbf8b52aedfff05b5f5242e29cfbcd01a8b08030481","last_reissued_at":"2026-05-18T00:27:12.949776Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:12.949776Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.01585","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":"2026-05-18T00:27:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/KAm2GMbjXJNzEx8x+EvXyAaUYfMGibCKrrD6/+imTuGe1OYU7Qg2tP4kXvjy4gPAqdRqmJh4bn8GiVLzwSzAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T20:36:14.012990Z"},"content_sha256":"a74f1846603b51a933a17f8155946df564dded9dceeca5af2963065a4fe65d6e","schema_version":"1.0","event_id":"sha256:a74f1846603b51a933a17f8155946df564dded9dceeca5af2963065a4fe65d6e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:QFNJIQ3RLPLBZTT7LS7YWUVO37","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electron-Capture Isotopes could Constrain Cosmic-Ray Propagation Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"David Benyamin, Nir J. Shaviv, Tsvi Piran","submitted_at":"2017-09-05T20:37:45Z","abstract_excerpt":"Electron capture (EC) isotopes are known to provide constraints on the low energy behavior of cosmic rays (CRs), such as re-acceleration. Here we study the EC isotopes within the framework of the dynamic spiral-arms CR propagation model in which most of the CR sources reside in the galactic spiral arms. The model was previously used to explain the B/C and sub-Fe/Fe ratios \\citep{BoverC,Iron}. We show that the known inconsistency between the $^{49}$Ti/$^{49}$V and $^{51}$V/$^{51}$Cr ratios remains also in the spiral-arms model. On the other hand, unlike the general wisdom in which the isotope r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.01585","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":"2026-05-18T00:27:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NzK5s/aWROVnj15MevFVs6je8Ft8S73l7WaMIgsO/OtaZCqi4XhPPtrEU2sjPtA0j70sPyhSvI35APReF9UyAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T20:36:14.013354Z"},"content_sha256":"08b5d6e54a40701686eedc13540b023cad4b7acd38fdce75693f1c5a5a928c33","schema_version":"1.0","event_id":"sha256:08b5d6e54a40701686eedc13540b023cad4b7acd38fdce75693f1c5a5a928c33"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QFNJIQ3RLPLBZTT7LS7YWUVO37/bundle.json","state_url":"https://pith.science/pith/QFNJIQ3RLPLBZTT7LS7YWUVO37/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QFNJIQ3RLPLBZTT7LS7YWUVO37/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":"2026-06-02T20:36:14Z","links":{"resolver":"https://pith.science/pith/QFNJIQ3RLPLBZTT7LS7YWUVO37","bundle":"https://pith.science/pith/QFNJIQ3RLPLBZTT7LS7YWUVO37/bundle.json","state":"https://pith.science/pith/QFNJIQ3RLPLBZTT7LS7YWUVO37/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QFNJIQ3RLPLBZTT7LS7YWUVO37/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:QFNJIQ3RLPLBZTT7LS7YWUVO37","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":"f2b7e8e2b3c005c73cdb6fba5200be2a7589e700b5a65609bd4d2ed2deeb92d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-09-05T20:37:45Z","title_canon_sha256":"aaf025014a1d9504bd126dd66fb357c6620d9c8b41a12d254b7f80ca287a108e"},"schema_version":"1.0","source":{"id":"1709.01585","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.01585","created_at":"2026-05-18T00:27:12Z"},{"alias_kind":"arxiv_version","alias_value":"1709.01585v2","created_at":"2026-05-18T00:27:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.01585","created_at":"2026-05-18T00:27:12Z"},{"alias_kind":"pith_short_12","alias_value":"QFNJIQ3RLPLB","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"QFNJIQ3RLPLBZTT7","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"QFNJIQ3R","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:08b5d6e54a40701686eedc13540b023cad4b7acd38fdce75693f1c5a5a928c33","target":"graph","created_at":"2026-05-18T00:27:12Z","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":"Electron capture (EC) isotopes are known to provide constraints on the low energy behavior of cosmic rays (CRs), such as re-acceleration. Here we study the EC isotopes within the framework of the dynamic spiral-arms CR propagation model in which most of the CR sources reside in the galactic spiral arms. The model was previously used to explain the B/C and sub-Fe/Fe ratios \\citep{BoverC,Iron}. We show that the known inconsistency between the $^{49}$Ti/$^{49}$V and $^{51}$V/$^{51}$Cr ratios remains also in the spiral-arms model. On the other hand, unlike the general wisdom in which the isotope r","authors_text":"David Benyamin, Nir J. Shaviv, Tsvi Piran","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-09-05T20:37:45Z","title":"Electron-Capture Isotopes could Constrain Cosmic-Ray Propagation Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.01585","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:a74f1846603b51a933a17f8155946df564dded9dceeca5af2963065a4fe65d6e","target":"record","created_at":"2026-05-18T00:27:12Z","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":"f2b7e8e2b3c005c73cdb6fba5200be2a7589e700b5a65609bd4d2ed2deeb92d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-09-05T20:37:45Z","title_canon_sha256":"aaf025014a1d9504bd126dd66fb357c6620d9c8b41a12d254b7f80ca287a108e"},"schema_version":"1.0","source":{"id":"1709.01585","kind":"arxiv","version":2}},"canonical_sha256":"815a9443715bd61cce7f5cbf8b52aedfff05b5f5242e29cfbcd01a8b08030481","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"815a9443715bd61cce7f5cbf8b52aedfff05b5f5242e29cfbcd01a8b08030481","first_computed_at":"2026-05-18T00:27:12.949776Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:12.949776Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sOg8gmn0ZABvtpaSgBT/H/MjuyPCDGXZJvAPJ3F5C1o3aksi7uoQ/oCAPTRK1GgWYA9Mudi3jUsbOPhrWPELCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:12.950374Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.01585","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a74f1846603b51a933a17f8155946df564dded9dceeca5af2963065a4fe65d6e","sha256:08b5d6e54a40701686eedc13540b023cad4b7acd38fdce75693f1c5a5a928c33"],"state_sha256":"38f769244a028044736bb00d7a61cb0d64a936a1e546c123a81773af75d28972"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wfvKVCBD12oaxYVYcDQkBsIwBiFtWbr0yOtTGfieQ4kO5ErWv6M36/MrGpjRvN9eENn2kw9ytydQeru4nTjWCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T20:36:14.015403Z","bundle_sha256":"99b4cada744d28132032f3e36c24e4e710d90185f47c20b6c8ca6b2882701419"}}