{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:ZCLEEFW7OD22II4L75XQBKZNQY","short_pith_number":"pith:ZCLEEFW7","canonical_record":{"source":{"id":"2002.06211","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-02-14T19:00:08Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR","physics.plasm-ph","physics.space-ph"],"title_canon_sha256":"3f8ed7f67748cfa5c9307538fa6dc91bbc366eac16174eb517789cce6aa1f08e","abstract_canon_sha256":"70e5a9ff894741bf9cdd0507df49f37ee4bf30c7613c1a79213067ecc1127cb0"},"schema_version":"1.0"},"canonical_sha256":"c8964216df70f5a4238bff6f00ab2d86138980c9ed111e07a57e7e8928363356","source":{"kind":"arxiv","id":"2002.06211","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.06211","created_at":"2026-07-05T04:05:55Z"},{"alias_kind":"arxiv_version","alias_value":"2002.06211v2","created_at":"2026-07-05T04:05:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.06211","created_at":"2026-07-05T04:05:55Z"},{"alias_kind":"pith_short_12","alias_value":"ZCLEEFW7OD22","created_at":"2026-07-05T04:05:55Z"},{"alias_kind":"pith_short_16","alias_value":"ZCLEEFW7OD22II4L","created_at":"2026-07-05T04:05:55Z"},{"alias_kind":"pith_short_8","alias_value":"ZCLEEFW7","created_at":"2026-07-05T04:05:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:ZCLEEFW7OD22II4L75XQBKZNQY","target":"record","payload":{"canonical_record":{"source":{"id":"2002.06211","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-02-14T19:00:08Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR","physics.plasm-ph","physics.space-ph"],"title_canon_sha256":"3f8ed7f67748cfa5c9307538fa6dc91bbc366eac16174eb517789cce6aa1f08e","abstract_canon_sha256":"70e5a9ff894741bf9cdd0507df49f37ee4bf30c7613c1a79213067ecc1127cb0"},"schema_version":"1.0"},"canonical_sha256":"c8964216df70f5a4238bff6f00ab2d86138980c9ed111e07a57e7e8928363356","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:05:55.782707Z","signature_b64":"N0TLHucIadjnLmlnETTBFxqe0AgmccWdRlHkctb+P8auJb+/kbdM5yyxNItwTC5JGYv0RpAgZjBL9S0IKs4/Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c8964216df70f5a4238bff6f00ab2d86138980c9ed111e07a57e7e8928363356","last_reissued_at":"2026-07-05T04:05:55.782263Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:05:55.782263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2002.06211","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":"2026-07-05T04:05:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ElF2Bb3rPlgOVua0zyiqtqezl70AdAozgVpKx/nxONWXdzEwRj3U2OH+y2gtB9+I34GCTpV34PbwOl8vlMnMCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T03:37:25.003692Z"},"content_sha256":"0d361cdb72fa09cf7699e80024c0c2c293c4b2538063bb1a81dd5f9043eeb325","schema_version":"1.0","event_id":"sha256:0d361cdb72fa09cf7699e80024c0c2c293c4b2538063bb1a81dd5f9043eeb325"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:ZCLEEFW7OD22II4L75XQBKZNQY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Testing Physical Models for Cosmic Ray Transport Coefficients on Galactic Scales: Self-Confinement and Extrinsic Turbulence at GeV Energies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR","physics.plasm-ph","physics.space-ph"],"primary_cat":"astro-ph.HE","authors_text":"Claude-Andre Faucher-Giguere (Northwestern), Dusan Keres (UCSD), Eliot Quataert (Berkeley), Jonathan Squire (Otago), Philip F. Hopkins (Caltech), Suoqing Ji (Caltech), T. K. Chan (ICC Durham)","submitted_at":"2020-02-14T19:00:08Z","abstract_excerpt":"The microphysics of ~GeV cosmic ray (CR) transport on galactic scales remain deeply uncertain, with almost all studies adopting simple prescriptions (e.g. constant-diffusivity). We explore different physically-motivated, anisotropic, dynamical CR transport scalings in high-resolution cosmological FIRE simulations of dwarf and ~$L_{\\ast}$ galaxies where scattering rates vary with local plasma properties motivated by extrinsic turbulence (ET) or self-confinement (SC) scenarios, with varying assumptions about e.g. turbulent power spectra on un-resolved scales, Alfven-wave damping, etc. We self-co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.06211","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/2002.06211/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":"2026-07-05T04:05:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YnIBS+UB746sSAwFmerCjwBGozgRxZuCJ0E0hSkbGK1KBB0Nz+sBl4rDl8vwNR1ONMk72cIo8vJpbwgny3HwAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T03:37:25.004076Z"},"content_sha256":"d841dcad9e664ae2fecfdae6839251bebdabe2c32d4052bd6685bcc01f003a83","schema_version":"1.0","event_id":"sha256:d841dcad9e664ae2fecfdae6839251bebdabe2c32d4052bd6685bcc01f003a83"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZCLEEFW7OD22II4L75XQBKZNQY/bundle.json","state_url":"https://pith.science/pith/ZCLEEFW7OD22II4L75XQBKZNQY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZCLEEFW7OD22II4L75XQBKZNQY/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":"2026-07-24T03:37:25Z","links":{"resolver":"https://pith.science/pith/ZCLEEFW7OD22II4L75XQBKZNQY","bundle":"https://pith.science/pith/ZCLEEFW7OD22II4L75XQBKZNQY/bundle.json","state":"https://pith.science/pith/ZCLEEFW7OD22II4L75XQBKZNQY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZCLEEFW7OD22II4L75XQBKZNQY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:ZCLEEFW7OD22II4L75XQBKZNQY","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":"70e5a9ff894741bf9cdd0507df49f37ee4bf30c7613c1a79213067ecc1127cb0","cross_cats_sorted":["astro-ph.GA","astro-ph.SR","physics.plasm-ph","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-02-14T19:00:08Z","title_canon_sha256":"3f8ed7f67748cfa5c9307538fa6dc91bbc366eac16174eb517789cce6aa1f08e"},"schema_version":"1.0","source":{"id":"2002.06211","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.06211","created_at":"2026-07-05T04:05:55Z"},{"alias_kind":"arxiv_version","alias_value":"2002.06211v2","created_at":"2026-07-05T04:05:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.06211","created_at":"2026-07-05T04:05:55Z"},{"alias_kind":"pith_short_12","alias_value":"ZCLEEFW7OD22","created_at":"2026-07-05T04:05:55Z"},{"alias_kind":"pith_short_16","alias_value":"ZCLEEFW7OD22II4L","created_at":"2026-07-05T04:05:55Z"},{"alias_kind":"pith_short_8","alias_value":"ZCLEEFW7","created_at":"2026-07-05T04:05:55Z"}],"graph_snapshots":[{"event_id":"sha256:d841dcad9e664ae2fecfdae6839251bebdabe2c32d4052bd6685bcc01f003a83","target":"graph","created_at":"2026-07-05T04:05:55Z","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/2002.06211/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The microphysics of ~GeV cosmic ray (CR) transport on galactic scales remain deeply uncertain, with almost all studies adopting simple prescriptions (e.g. constant-diffusivity). We explore different physically-motivated, anisotropic, dynamical CR transport scalings in high-resolution cosmological FIRE simulations of dwarf and ~$L_{\\ast}$ galaxies where scattering rates vary with local plasma properties motivated by extrinsic turbulence (ET) or self-confinement (SC) scenarios, with varying assumptions about e.g. turbulent power spectra on un-resolved scales, Alfven-wave damping, etc. We self-co","authors_text":"Claude-Andre Faucher-Giguere (Northwestern), Dusan Keres (UCSD), Eliot Quataert (Berkeley), Jonathan Squire (Otago), Philip F. Hopkins (Caltech), Suoqing Ji (Caltech), T. K. Chan (ICC Durham)","cross_cats":["astro-ph.GA","astro-ph.SR","physics.plasm-ph","physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-02-14T19:00:08Z","title":"Testing Physical Models for Cosmic Ray Transport Coefficients on Galactic Scales: Self-Confinement and Extrinsic Turbulence at GeV Energies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.06211","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":"sha256:0d361cdb72fa09cf7699e80024c0c2c293c4b2538063bb1a81dd5f9043eeb325","target":"record","created_at":"2026-07-05T04:05:55Z","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":"70e5a9ff894741bf9cdd0507df49f37ee4bf30c7613c1a79213067ecc1127cb0","cross_cats_sorted":["astro-ph.GA","astro-ph.SR","physics.plasm-ph","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-02-14T19:00:08Z","title_canon_sha256":"3f8ed7f67748cfa5c9307538fa6dc91bbc366eac16174eb517789cce6aa1f08e"},"schema_version":"1.0","source":{"id":"2002.06211","kind":"arxiv","version":2}},"canonical_sha256":"c8964216df70f5a4238bff6f00ab2d86138980c9ed111e07a57e7e8928363356","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c8964216df70f5a4238bff6f00ab2d86138980c9ed111e07a57e7e8928363356","first_computed_at":"2026-07-05T04:05:55.782263Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:05:55.782263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N0TLHucIadjnLmlnETTBFxqe0AgmccWdRlHkctb+P8auJb+/kbdM5yyxNItwTC5JGYv0RpAgZjBL9S0IKs4/Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:05:55.782707Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.06211","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d361cdb72fa09cf7699e80024c0c2c293c4b2538063bb1a81dd5f9043eeb325","sha256:d841dcad9e664ae2fecfdae6839251bebdabe2c32d4052bd6685bcc01f003a83"],"state_sha256":"6174d86f62a71630a90653f65c886cb698555c3a96c716fdbbabb9475e82fe4b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5YRcMcby2BHTlhaq12CRzCDvV/rRcK7YpAHY4KzUkSUYi+AViQAuZP0oXZMYz3T3UgSlmSc0hvfaUKGojI47AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-24T03:37:25.006551Z","bundle_sha256":"4b05629b3e72e7bf4ab822bd38254fa3203ab95f4661cba38342904a7db21b78"}}