{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:WIF4NKUKV4R4JXV33BA5RW64YK","short_pith_number":"pith:WIF4NKUK","canonical_record":{"source":{"id":"1710.04166","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-11T16:47:07Z","cross_cats_sorted":[],"title_canon_sha256":"79614c75e24a6dd0d204f1cbae550dd6cf258b151804a79d2185942dbaaff0a0","abstract_canon_sha256":"85ba5680075eace3687cb18adb330de60d49d9a3626399209ea3f90f70483f3e"},"schema_version":"1.0"},"canonical_sha256":"b20bc6aa8aaf23c4debbd841d8dbdcc28aeb6698758bbd00c345c0db9bf8414d","source":{"kind":"arxiv","id":"1710.04166","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.04166","created_at":"2026-05-18T00:24:15Z"},{"alias_kind":"arxiv_version","alias_value":"1710.04166v1","created_at":"2026-05-18T00:24:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.04166","created_at":"2026-05-18T00:24:15Z"},{"alias_kind":"pith_short_12","alias_value":"WIF4NKUKV4R4","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WIF4NKUKV4R4JXV3","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WIF4NKUK","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:WIF4NKUKV4R4JXV33BA5RW64YK","target":"record","payload":{"canonical_record":{"source":{"id":"1710.04166","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-11T16:47:07Z","cross_cats_sorted":[],"title_canon_sha256":"79614c75e24a6dd0d204f1cbae550dd6cf258b151804a79d2185942dbaaff0a0","abstract_canon_sha256":"85ba5680075eace3687cb18adb330de60d49d9a3626399209ea3f90f70483f3e"},"schema_version":"1.0"},"canonical_sha256":"b20bc6aa8aaf23c4debbd841d8dbdcc28aeb6698758bbd00c345c0db9bf8414d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:15.886213Z","signature_b64":"LBJKKXDWJKvEjCmgTDse//jUnJudcdZt7+7+dhcnzetJfGmJCPZCydozgai3Nec0TYZOQtNFtSGAsvAGG0yYBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b20bc6aa8aaf23c4debbd841d8dbdcc28aeb6698758bbd00c345c0db9bf8414d","last_reissued_at":"2026-05-18T00:24:15.885700Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:15.885700Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.04166","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":"2026-05-18T00:24:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZJr8xdEfr1iBwPJiDNl29F1CbngcvBkdvP35v87BYOaEJwPu2oxwJ/lcWi76pwMK6seKWtS33UTJFuRbUN6EDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:06:39.434002Z"},"content_sha256":"41f998e70f19be2181d0136282ddd0fe9f07eb3b9fbcf2ddb0396e499b054e75","schema_version":"1.0","event_id":"sha256:41f998e70f19be2181d0136282ddd0fe9f07eb3b9fbcf2ddb0396e499b054e75"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:WIF4NKUKV4R4JXV33BA5RW64YK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Messier 81's Planck view vs its halo mapping","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Amekhyan, A.A. Nucita, A.L. Kashin, A. Qadir, D. Vetrugno, F. De Paolis, G. Ingrosso, G. Yegorian, Ph. Jetzer, S. Sargsyan, V.G. Gurzadyan","submitted_at":"2017-10-11T16:47:07Z","abstract_excerpt":"This paper is a follow-up of a previous paper about the M82 galaxy and its halo based on Planck observations. As in the case of M82, so also for the M81 galaxy a substantial North-South and East-West temperature asymmetry is found, extending up to galactocentric distances of about $1.5^\\circ$. The temperature asymmetry is almost frequency independent and can be interpreted as a Doppler-induced effect related to the M81 halo rotation and/or triggered by the gravitational interaction of the galaxies within the M81 Group. Along with the analogous study of several nearby edge-on spiral galaxies, t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.04166","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":"2026-05-18T00:24:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rj6MFtCO/nwyBJBKwvNf13autgC0nMc8MOOP1BbDV1I6zdCp1PDpnhfbe98Bn2FcUgD83lzr7aOKudVjwy9JCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:06:39.434631Z"},"content_sha256":"9218a0f2eefcfcc2cb4d793f398b12bb28fa8d8052607a5a2afe83eb3f11bf59","schema_version":"1.0","event_id":"sha256:9218a0f2eefcfcc2cb4d793f398b12bb28fa8d8052607a5a2afe83eb3f11bf59"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WIF4NKUKV4R4JXV33BA5RW64YK/bundle.json","state_url":"https://pith.science/pith/WIF4NKUKV4R4JXV33BA5RW64YK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WIF4NKUKV4R4JXV33BA5RW64YK/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":"2026-05-27T05:06:39Z","links":{"resolver":"https://pith.science/pith/WIF4NKUKV4R4JXV33BA5RW64YK","bundle":"https://pith.science/pith/WIF4NKUKV4R4JXV33BA5RW64YK/bundle.json","state":"https://pith.science/pith/WIF4NKUKV4R4JXV33BA5RW64YK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WIF4NKUKV4R4JXV33BA5RW64YK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:WIF4NKUKV4R4JXV33BA5RW64YK","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":"85ba5680075eace3687cb18adb330de60d49d9a3626399209ea3f90f70483f3e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-11T16:47:07Z","title_canon_sha256":"79614c75e24a6dd0d204f1cbae550dd6cf258b151804a79d2185942dbaaff0a0"},"schema_version":"1.0","source":{"id":"1710.04166","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.04166","created_at":"2026-05-18T00:24:15Z"},{"alias_kind":"arxiv_version","alias_value":"1710.04166v1","created_at":"2026-05-18T00:24:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.04166","created_at":"2026-05-18T00:24:15Z"},{"alias_kind":"pith_short_12","alias_value":"WIF4NKUKV4R4","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WIF4NKUKV4R4JXV3","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WIF4NKUK","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:9218a0f2eefcfcc2cb4d793f398b12bb28fa8d8052607a5a2afe83eb3f11bf59","target":"graph","created_at":"2026-05-18T00:24:15Z","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":"This paper is a follow-up of a previous paper about the M82 galaxy and its halo based on Planck observations. As in the case of M82, so also for the M81 galaxy a substantial North-South and East-West temperature asymmetry is found, extending up to galactocentric distances of about $1.5^\\circ$. The temperature asymmetry is almost frequency independent and can be interpreted as a Doppler-induced effect related to the M81 halo rotation and/or triggered by the gravitational interaction of the galaxies within the M81 Group. Along with the analogous study of several nearby edge-on spiral galaxies, t","authors_text":"A. Amekhyan, A.A. Nucita, A.L. Kashin, A. Qadir, D. Vetrugno, F. De Paolis, G. Ingrosso, G. Yegorian, Ph. Jetzer, S. Sargsyan, V.G. Gurzadyan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-11T16:47:07Z","title":"Messier 81's Planck view vs its halo mapping"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.04166","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":"sha256:41f998e70f19be2181d0136282ddd0fe9f07eb3b9fbcf2ddb0396e499b054e75","target":"record","created_at":"2026-05-18T00:24:15Z","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":"85ba5680075eace3687cb18adb330de60d49d9a3626399209ea3f90f70483f3e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-11T16:47:07Z","title_canon_sha256":"79614c75e24a6dd0d204f1cbae550dd6cf258b151804a79d2185942dbaaff0a0"},"schema_version":"1.0","source":{"id":"1710.04166","kind":"arxiv","version":1}},"canonical_sha256":"b20bc6aa8aaf23c4debbd841d8dbdcc28aeb6698758bbd00c345c0db9bf8414d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b20bc6aa8aaf23c4debbd841d8dbdcc28aeb6698758bbd00c345c0db9bf8414d","first_computed_at":"2026-05-18T00:24:15.885700Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:24:15.885700Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LBJKKXDWJKvEjCmgTDse//jUnJudcdZt7+7+dhcnzetJfGmJCPZCydozgai3Nec0TYZOQtNFtSGAsvAGG0yYBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:24:15.886213Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.04166","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:41f998e70f19be2181d0136282ddd0fe9f07eb3b9fbcf2ddb0396e499b054e75","sha256:9218a0f2eefcfcc2cb4d793f398b12bb28fa8d8052607a5a2afe83eb3f11bf59"],"state_sha256":"4901e44cc0fe0fa7caa36bc7532e24d634f87c3caa84b8af9fcb2065abf20af4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gUiwpvttXIDJs58FDtyfxpnSY2Juxe6C0BSqAyGztmdSjI6YkF9c56Mqh/0RXxUC1naKeo5KpCUjOMkNQwRvDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T05:06:39.437131Z","bundle_sha256":"3e210af4ab32c684554d35e1c645ba80a49d9460140795bdb7de9b23896d431a"}}