{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:WFFGI5EYI7NT5GHMYBDCEYJLRL","short_pith_number":"pith:WFFGI5EY","canonical_record":{"source":{"id":"1307.7991","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-07-30T14:16:50Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"7626f2acf68c40f739f25616488fc36aa67c94bf77225cacd3ab1bacbde25f7e","abstract_canon_sha256":"d2884bec3c1ccef8c5ab7e42da8ebc62d053e1a395036833f7e171d024314a86"},"schema_version":"1.0"},"canonical_sha256":"b14a64749847db3e98ecc04622612b8aea8df86ed64e38f9e513efb4b437d2ba","source":{"kind":"arxiv","id":"1307.7991","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.7991","created_at":"2026-05-18T01:48:32Z"},{"alias_kind":"arxiv_version","alias_value":"1307.7991v1","created_at":"2026-05-18T01:48:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.7991","created_at":"2026-05-18T01:48:32Z"},{"alias_kind":"pith_short_12","alias_value":"WFFGI5EYI7NT","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"WFFGI5EYI7NT5GHM","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"WFFGI5EY","created_at":"2026-05-18T12:28:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:WFFGI5EYI7NT5GHMYBDCEYJLRL","target":"record","payload":{"canonical_record":{"source":{"id":"1307.7991","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-07-30T14:16:50Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"7626f2acf68c40f739f25616488fc36aa67c94bf77225cacd3ab1bacbde25f7e","abstract_canon_sha256":"d2884bec3c1ccef8c5ab7e42da8ebc62d053e1a395036833f7e171d024314a86"},"schema_version":"1.0"},"canonical_sha256":"b14a64749847db3e98ecc04622612b8aea8df86ed64e38f9e513efb4b437d2ba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:32.859775Z","signature_b64":"KVEvwdPN5yBwSCses+LCBX8Els2+3CwJ3/DN13ZATljXeTFyT6YSDsZ4I+pVldHM42Q0Kdp9YeB0P2BGUyKyAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b14a64749847db3e98ecc04622612b8aea8df86ed64e38f9e513efb4b437d2ba","last_reissued_at":"2026-05-18T01:48:32.859079Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:32.859079Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.7991","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":"2026-05-18T01:48:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EN124qwXVx96OrQIVaS04vxdeXgpc7U/rXnZ5n6L0IO/ScISAVcEpPCoUZsaWy5R1jx01iR2V22DR8Qunf5kAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:56:06.889102Z"},"content_sha256":"6bfcb25e7de04b36250f625271f9cb89185618e705734825c71d201b727d2e29","schema_version":"1.0","event_id":"sha256:6bfcb25e7de04b36250f625271f9cb89185618e705734825c71d201b727d2e29"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:WFFGI5EYI7NT5GHMYBDCEYJLRL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"How cosmic-ray electron propagation affects radio-far-infrared correlations in M31 and M33","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Elly M. Berkhuijsen, Fatemeh S. Tabatabaei, Rainer Beck","submitted_at":"2013-07-30T14:16:50Z","abstract_excerpt":"We investigate the effect of propagation of cosmic-ray electrons (CRE) on the nonthermal (synchrotron) - far-infrared correlations in M31 and M33. The thermal (TH) and nonthermal (NTH) emission components of the radio continuum emission at 1.4 GHz and one higher frequency are compared with dust emission from M31 and M33 using Spitzer data. In both galaxies the TH emission is linearly correlated with the emission from warm dust (24 \\mu m, 70 \\mu m), but the power laws of the NTH-FIR correlations have exponents b < 1 that increase with increasing frequency. Furthermore, the values of b for M33 a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.7991","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":"2026-05-18T01:48:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5/51AYM69WmhpbSX5KNzdty2CktNo4JWKErh5c2Yf0eLUv/YmKWDXT4dWRCwCkNTmLTKnKfdsXvUB6CEryegAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:56:06.889787Z"},"content_sha256":"14cd396e4a515b1663ef9e5c6d824f23b25f3c36755079e0fb5e2867dd6e13a6","schema_version":"1.0","event_id":"sha256:14cd396e4a515b1663ef9e5c6d824f23b25f3c36755079e0fb5e2867dd6e13a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WFFGI5EYI7NT5GHMYBDCEYJLRL/bundle.json","state_url":"https://pith.science/pith/WFFGI5EYI7NT5GHMYBDCEYJLRL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WFFGI5EYI7NT5GHMYBDCEYJLRL/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":"2026-05-31T09:56:06Z","links":{"resolver":"https://pith.science/pith/WFFGI5EYI7NT5GHMYBDCEYJLRL","bundle":"https://pith.science/pith/WFFGI5EYI7NT5GHMYBDCEYJLRL/bundle.json","state":"https://pith.science/pith/WFFGI5EYI7NT5GHMYBDCEYJLRL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WFFGI5EYI7NT5GHMYBDCEYJLRL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:WFFGI5EYI7NT5GHMYBDCEYJLRL","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":"d2884bec3c1ccef8c5ab7e42da8ebc62d053e1a395036833f7e171d024314a86","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-07-30T14:16:50Z","title_canon_sha256":"7626f2acf68c40f739f25616488fc36aa67c94bf77225cacd3ab1bacbde25f7e"},"schema_version":"1.0","source":{"id":"1307.7991","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.7991","created_at":"2026-05-18T01:48:32Z"},{"alias_kind":"arxiv_version","alias_value":"1307.7991v1","created_at":"2026-05-18T01:48:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.7991","created_at":"2026-05-18T01:48:32Z"},{"alias_kind":"pith_short_12","alias_value":"WFFGI5EYI7NT","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"WFFGI5EYI7NT5GHM","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"WFFGI5EY","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:14cd396e4a515b1663ef9e5c6d824f23b25f3c36755079e0fb5e2867dd6e13a6","target":"graph","created_at":"2026-05-18T01:48:32Z","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":"We investigate the effect of propagation of cosmic-ray electrons (CRE) on the nonthermal (synchrotron) - far-infrared correlations in M31 and M33. The thermal (TH) and nonthermal (NTH) emission components of the radio continuum emission at 1.4 GHz and one higher frequency are compared with dust emission from M31 and M33 using Spitzer data. In both galaxies the TH emission is linearly correlated with the emission from warm dust (24 \\mu m, 70 \\mu m), but the power laws of the NTH-FIR correlations have exponents b < 1 that increase with increasing frequency. Furthermore, the values of b for M33 a","authors_text":"Elly M. Berkhuijsen, Fatemeh S. Tabatabaei, Rainer Beck","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-07-30T14:16:50Z","title":"How cosmic-ray electron propagation affects radio-far-infrared correlations in M31 and M33"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.7991","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":"sha256:6bfcb25e7de04b36250f625271f9cb89185618e705734825c71d201b727d2e29","target":"record","created_at":"2026-05-18T01:48:32Z","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":"d2884bec3c1ccef8c5ab7e42da8ebc62d053e1a395036833f7e171d024314a86","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-07-30T14:16:50Z","title_canon_sha256":"7626f2acf68c40f739f25616488fc36aa67c94bf77225cacd3ab1bacbde25f7e"},"schema_version":"1.0","source":{"id":"1307.7991","kind":"arxiv","version":1}},"canonical_sha256":"b14a64749847db3e98ecc04622612b8aea8df86ed64e38f9e513efb4b437d2ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b14a64749847db3e98ecc04622612b8aea8df86ed64e38f9e513efb4b437d2ba","first_computed_at":"2026-05-18T01:48:32.859079Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:32.859079Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KVEvwdPN5yBwSCses+LCBX8Els2+3CwJ3/DN13ZATljXeTFyT6YSDsZ4I+pVldHM42Q0Kdp9YeB0P2BGUyKyAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:32.859775Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.7991","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6bfcb25e7de04b36250f625271f9cb89185618e705734825c71d201b727d2e29","sha256:14cd396e4a515b1663ef9e5c6d824f23b25f3c36755079e0fb5e2867dd6e13a6"],"state_sha256":"875faa137d9902f9e2f74946f6766439fc5388628a6e338e147fd6a6d2d2f4b2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hcy/+XVzyWD2KofbPB4lb7Roofr/f0bpeBzihP5m55/2bZzPTvZyz2McTiXlmdleTf7rRTNzLXy4M9Yx5MVFAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T09:56:06.893305Z","bundle_sha256":"f13e1d8308a8ef7aafb9009e5f4a419a431bb780384c9669928695fee4c5cd0b"}}