{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:O3VZGUF5BVSBUPJZV3YMG6HWM3","short_pith_number":"pith:O3VZGUF5","canonical_record":{"source":{"id":"1306.0786","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-06-04T13:40:49Z","cross_cats_sorted":[],"title_canon_sha256":"ed90bcce49cdac67b8ecfc8474e0b7e304afd00b7723cb0bf2b940391edcf2be","abstract_canon_sha256":"1e2929acf3cb4a03a867fd400ba3639c1e216066eec55456240282bc0fcefc94"},"schema_version":"1.0"},"canonical_sha256":"76eb9350bd0d641a3d39aef0c378f666fe418202322309a410ace8e7aeaec336","source":{"kind":"arxiv","id":"1306.0786","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.0786","created_at":"2026-05-18T03:21:46Z"},{"alias_kind":"arxiv_version","alias_value":"1306.0786v1","created_at":"2026-05-18T03:21:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.0786","created_at":"2026-05-18T03:21:46Z"},{"alias_kind":"pith_short_12","alias_value":"O3VZGUF5BVSB","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"O3VZGUF5BVSBUPJZ","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"O3VZGUF5","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:O3VZGUF5BVSBUPJZV3YMG6HWM3","target":"record","payload":{"canonical_record":{"source":{"id":"1306.0786","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-06-04T13:40:49Z","cross_cats_sorted":[],"title_canon_sha256":"ed90bcce49cdac67b8ecfc8474e0b7e304afd00b7723cb0bf2b940391edcf2be","abstract_canon_sha256":"1e2929acf3cb4a03a867fd400ba3639c1e216066eec55456240282bc0fcefc94"},"schema_version":"1.0"},"canonical_sha256":"76eb9350bd0d641a3d39aef0c378f666fe418202322309a410ace8e7aeaec336","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:21:46.317436Z","signature_b64":"C6R/5xEL4+1DPwF4KaR2B0z3Nbl3Ua3f4wht2wXCQvuUQGo5fjvHMvlnQhVgQqur2vA5fviUromefq1vl+p8BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"76eb9350bd0d641a3d39aef0c378f666fe418202322309a410ace8e7aeaec336","last_reissued_at":"2026-05-18T03:21:46.316877Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:21:46.316877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.0786","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":"2026-05-18T03:21:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GYF/hLzjrxPdKZ082jYWBV2eDttRGzlLq8Io3VfajptCYtfTLNjzkl2KRYSRPGBl8RutrMZ83oPtKAzOkAPGBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T13:47:10.829171Z"},"content_sha256":"c04b3aaa9fb7dda4c175ad6ef940bac451a244b1f549a54ef4f88088db47518d","schema_version":"1.0","event_id":"sha256:c04b3aaa9fb7dda4c175ad6ef940bac451a244b1f549a54ef4f88088db47518d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:O3VZGUF5BVSBUPJZV3YMG6HWM3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High Mass Accuracy and High Mass Resolving Power FT-ICR Secondary Ion Mass Spectrometry for Biological Tissue Imaging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Andras Kiss, Donald F. Smith, Errol W. Robinson, Franklin E. Leach III, Ljiljana Pa\\v{s}a-Toli\\'c, Ron M.A. Heeren","submitted_at":"2013-06-04T13:40:49Z","abstract_excerpt":"Biological tissue imaging by secondary ion mass spectrometry has seen rapid development with the commercial availability of polyatomic primary ion sources. Endogenous lipids and other small bio-molecules can now be routinely mapped on the sub-micrometer scale. Such experiments are typically performed on time-of-flight mass spectrometers for high sensitivity and high repetition rate imaging. However, such mass analyzers lack the mass resolving power to ensure separation of isobaric ions and the mass accuracy for elemental formula assignment based on exact mass measurement. We have recently repo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.0786","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":"2026-05-18T03:21:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rQd6vE5Z2zevK4vIoBfj4MXrBupqNbN1R0asia9RhXl4p8ZhW7tY6I35+T+3LBT/REZFGrBNRzEZAkCrV9dwBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T13:47:10.830014Z"},"content_sha256":"86588a1b26d82db1024b281d5b3a430028eee0a10fdb25b9dc1c9c9a26c19971","schema_version":"1.0","event_id":"sha256:86588a1b26d82db1024b281d5b3a430028eee0a10fdb25b9dc1c9c9a26c19971"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O3VZGUF5BVSBUPJZV3YMG6HWM3/bundle.json","state_url":"https://pith.science/pith/O3VZGUF5BVSBUPJZV3YMG6HWM3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O3VZGUF5BVSBUPJZV3YMG6HWM3/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":"2026-06-07T13:47:10Z","links":{"resolver":"https://pith.science/pith/O3VZGUF5BVSBUPJZV3YMG6HWM3","bundle":"https://pith.science/pith/O3VZGUF5BVSBUPJZV3YMG6HWM3/bundle.json","state":"https://pith.science/pith/O3VZGUF5BVSBUPJZV3YMG6HWM3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O3VZGUF5BVSBUPJZV3YMG6HWM3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:O3VZGUF5BVSBUPJZV3YMG6HWM3","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":"1e2929acf3cb4a03a867fd400ba3639c1e216066eec55456240282bc0fcefc94","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-06-04T13:40:49Z","title_canon_sha256":"ed90bcce49cdac67b8ecfc8474e0b7e304afd00b7723cb0bf2b940391edcf2be"},"schema_version":"1.0","source":{"id":"1306.0786","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.0786","created_at":"2026-05-18T03:21:46Z"},{"alias_kind":"arxiv_version","alias_value":"1306.0786v1","created_at":"2026-05-18T03:21:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.0786","created_at":"2026-05-18T03:21:46Z"},{"alias_kind":"pith_short_12","alias_value":"O3VZGUF5BVSB","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"O3VZGUF5BVSBUPJZ","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"O3VZGUF5","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:86588a1b26d82db1024b281d5b3a430028eee0a10fdb25b9dc1c9c9a26c19971","target":"graph","created_at":"2026-05-18T03:21:46Z","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":"Biological tissue imaging by secondary ion mass spectrometry has seen rapid development with the commercial availability of polyatomic primary ion sources. Endogenous lipids and other small bio-molecules can now be routinely mapped on the sub-micrometer scale. Such experiments are typically performed on time-of-flight mass spectrometers for high sensitivity and high repetition rate imaging. However, such mass analyzers lack the mass resolving power to ensure separation of isobaric ions and the mass accuracy for elemental formula assignment based on exact mass measurement. We have recently repo","authors_text":"Andras Kiss, Donald F. Smith, Errol W. Robinson, Franklin E. Leach III, Ljiljana Pa\\v{s}a-Toli\\'c, Ron M.A. Heeren","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-06-04T13:40:49Z","title":"High Mass Accuracy and High Mass Resolving Power FT-ICR Secondary Ion Mass Spectrometry for Biological Tissue Imaging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.0786","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:c04b3aaa9fb7dda4c175ad6ef940bac451a244b1f549a54ef4f88088db47518d","target":"record","created_at":"2026-05-18T03:21:46Z","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":"1e2929acf3cb4a03a867fd400ba3639c1e216066eec55456240282bc0fcefc94","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-06-04T13:40:49Z","title_canon_sha256":"ed90bcce49cdac67b8ecfc8474e0b7e304afd00b7723cb0bf2b940391edcf2be"},"schema_version":"1.0","source":{"id":"1306.0786","kind":"arxiv","version":1}},"canonical_sha256":"76eb9350bd0d641a3d39aef0c378f666fe418202322309a410ace8e7aeaec336","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"76eb9350bd0d641a3d39aef0c378f666fe418202322309a410ace8e7aeaec336","first_computed_at":"2026-05-18T03:21:46.316877Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:21:46.316877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C6R/5xEL4+1DPwF4KaR2B0z3Nbl3Ua3f4wht2wXCQvuUQGo5fjvHMvlnQhVgQqur2vA5fviUromefq1vl+p8BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:21:46.317436Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.0786","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c04b3aaa9fb7dda4c175ad6ef940bac451a244b1f549a54ef4f88088db47518d","sha256:86588a1b26d82db1024b281d5b3a430028eee0a10fdb25b9dc1c9c9a26c19971"],"state_sha256":"d3443c67099fba8cc12f8005983c2bd6c117c58c167a133ce9c5ca1288ce306c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fN1vVlUwmSRSJ0mw2vEdofqLzb12UTYxV5hETSJaWgpV9yx3cSRqPqRPr9uSiWWRPp84O9unYk5U/9CagjaXAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T13:47:10.833782Z","bundle_sha256":"0c0fa91152f4d5494452beead4e0b6a6b0d9ab52c5f8ab271f9336d4772c134d"}}