{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:BZDQ5P4ZDGIQSHBZ7SJEGRCL3I","short_pith_number":"pith:BZDQ5P4Z","canonical_record":{"source":{"id":"1703.09649","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.HO","submitted_at":"2017-03-26T13:36:14Z","cross_cats_sorted":[],"title_canon_sha256":"f936c6d01109755d4a32a8dea6285962516ec23c8574d63063e63bc08d7d7944","abstract_canon_sha256":"a5816d96dfb64a972236384ada4e6d52391845051208b40ce600560a6a874683"},"schema_version":"1.0"},"canonical_sha256":"0e470ebf991991091c39fc9243444bda25ab091f2381a2243010ad16c48a3fa8","source":{"kind":"arxiv","id":"1703.09649","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.09649","created_at":"2026-05-18T00:47:43Z"},{"alias_kind":"arxiv_version","alias_value":"1703.09649v1","created_at":"2026-05-18T00:47:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.09649","created_at":"2026-05-18T00:47:43Z"},{"alias_kind":"pith_short_12","alias_value":"BZDQ5P4ZDGIQ","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BZDQ5P4ZDGIQSHBZ","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BZDQ5P4Z","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:BZDQ5P4ZDGIQSHBZ7SJEGRCL3I","target":"record","payload":{"canonical_record":{"source":{"id":"1703.09649","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.HO","submitted_at":"2017-03-26T13:36:14Z","cross_cats_sorted":[],"title_canon_sha256":"f936c6d01109755d4a32a8dea6285962516ec23c8574d63063e63bc08d7d7944","abstract_canon_sha256":"a5816d96dfb64a972236384ada4e6d52391845051208b40ce600560a6a874683"},"schema_version":"1.0"},"canonical_sha256":"0e470ebf991991091c39fc9243444bda25ab091f2381a2243010ad16c48a3fa8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:47:43.932776Z","signature_b64":"npx+8aI/dfLydyBqyoy8zU5GQ4CK9RyPJ4kzYDWqAcG8Ku9XWM7rWpwJV8lu6l2WcwtM6XdbkWahQydsbFHOAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e470ebf991991091c39fc9243444bda25ab091f2381a2243010ad16c48a3fa8","last_reissued_at":"2026-05-18T00:47:43.932207Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:47:43.932207Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.09649","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":"2026-05-18T00:47:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0rTkfCcdDEwmttgiQULalpsVK9Nw89S1rbNyX2ypJcseL/3cm5lhMObzpYq5QCE0mWenkunFGYAASOF/iM0oCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:32:37.324173Z"},"content_sha256":"81cabc90d7dd1d1f8268e830b68a2312705c34d2272e33b32d00941db548e4e6","schema_version":"1.0","event_id":"sha256:81cabc90d7dd1d1f8268e830b68a2312705c34d2272e33b32d00941db548e4e6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:BZDQ5P4ZDGIQSHBZ7SJEGRCL3I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Review of Steven H. Weintraub's Differential Forms: Theory and Practice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.HO","authors_text":"Thomas Garrity","submitted_at":"2017-03-26T13:36:14Z","abstract_excerpt":"Not only a review of Weintraub's Differential Forms: Theory and Practice but also a discussion of why differential forms should be taught to undergraduates and an overview of some of the other possible texts that could be used."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.09649","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":"2026-05-18T00:47:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"siGwf/kwu65lxXXiV4tlgyud0q20hXSXeC0CrAXKn/LocELdDy5riM8wZqkG8Pefs410N0VQ9YK0tOMkHCOxCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:32:37.324553Z"},"content_sha256":"77e1c6c8148b03c8f0e87548bd31f73ed6c9617da587a8ed3c65ca0bcdd867d4","schema_version":"1.0","event_id":"sha256:77e1c6c8148b03c8f0e87548bd31f73ed6c9617da587a8ed3c65ca0bcdd867d4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BZDQ5P4ZDGIQSHBZ7SJEGRCL3I/bundle.json","state_url":"https://pith.science/pith/BZDQ5P4ZDGIQSHBZ7SJEGRCL3I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BZDQ5P4ZDGIQSHBZ7SJEGRCL3I/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":"2026-05-27T08:32:37Z","links":{"resolver":"https://pith.science/pith/BZDQ5P4ZDGIQSHBZ7SJEGRCL3I","bundle":"https://pith.science/pith/BZDQ5P4ZDGIQSHBZ7SJEGRCL3I/bundle.json","state":"https://pith.science/pith/BZDQ5P4ZDGIQSHBZ7SJEGRCL3I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BZDQ5P4ZDGIQSHBZ7SJEGRCL3I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:BZDQ5P4ZDGIQSHBZ7SJEGRCL3I","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":"a5816d96dfb64a972236384ada4e6d52391845051208b40ce600560a6a874683","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.HO","submitted_at":"2017-03-26T13:36:14Z","title_canon_sha256":"f936c6d01109755d4a32a8dea6285962516ec23c8574d63063e63bc08d7d7944"},"schema_version":"1.0","source":{"id":"1703.09649","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.09649","created_at":"2026-05-18T00:47:43Z"},{"alias_kind":"arxiv_version","alias_value":"1703.09649v1","created_at":"2026-05-18T00:47:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.09649","created_at":"2026-05-18T00:47:43Z"},{"alias_kind":"pith_short_12","alias_value":"BZDQ5P4ZDGIQ","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BZDQ5P4ZDGIQSHBZ","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BZDQ5P4Z","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:77e1c6c8148b03c8f0e87548bd31f73ed6c9617da587a8ed3c65ca0bcdd867d4","target":"graph","created_at":"2026-05-18T00:47:43Z","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":"Not only a review of Weintraub's Differential Forms: Theory and Practice but also a discussion of why differential forms should be taught to undergraduates and an overview of some of the other possible texts that could be used.","authors_text":"Thomas Garrity","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.HO","submitted_at":"2017-03-26T13:36:14Z","title":"Review of Steven H. Weintraub's Differential Forms: Theory and Practice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.09649","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":"sha256:81cabc90d7dd1d1f8268e830b68a2312705c34d2272e33b32d00941db548e4e6","target":"record","created_at":"2026-05-18T00:47:43Z","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":"a5816d96dfb64a972236384ada4e6d52391845051208b40ce600560a6a874683","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.HO","submitted_at":"2017-03-26T13:36:14Z","title_canon_sha256":"f936c6d01109755d4a32a8dea6285962516ec23c8574d63063e63bc08d7d7944"},"schema_version":"1.0","source":{"id":"1703.09649","kind":"arxiv","version":1}},"canonical_sha256":"0e470ebf991991091c39fc9243444bda25ab091f2381a2243010ad16c48a3fa8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0e470ebf991991091c39fc9243444bda25ab091f2381a2243010ad16c48a3fa8","first_computed_at":"2026-05-18T00:47:43.932207Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:47:43.932207Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"npx+8aI/dfLydyBqyoy8zU5GQ4CK9RyPJ4kzYDWqAcG8Ku9XWM7rWpwJV8lu6l2WcwtM6XdbkWahQydsbFHOAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:47:43.932776Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.09649","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81cabc90d7dd1d1f8268e830b68a2312705c34d2272e33b32d00941db548e4e6","sha256:77e1c6c8148b03c8f0e87548bd31f73ed6c9617da587a8ed3c65ca0bcdd867d4"],"state_sha256":"ea1f60cf20e9a583369a7a3308d279e61357b3444311e0aeb256238984c9c3fa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x5y9tX3bOLwTj1X8hhRNpCD7U0cDENCRaDtdpO0COn5Q/iacmf06annmvMEIbnhsce+WjflOUajHIkti5s7HCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T08:32:37.326941Z","bundle_sha256":"9524b903c097a6ed651ddb08fc318a92a433c5d6b96222cdf683c0e432f3047e"}}