{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:XBB4Y7CFDOH5M4B77OPSQ3SFX3","short_pith_number":"pith:XBB4Y7CF","canonical_record":{"source":{"id":"2203.10907","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2022-03-21T11:59:30Z","cross_cats_sorted":[],"title_canon_sha256":"69cb428042126a8740b06e254f0254c921b9306474a3dc051ea6a97e3b4b59b4","abstract_canon_sha256":"72bc8818463df29ea1589c6be7578c6f9a8005403441fb7f6831dbb557e993a9"},"schema_version":"1.0"},"canonical_sha256":"b843cc7c451b8fd6703ffb9f286e45beecb57c5c98aa5c242874d83ac38e51fe","source":{"kind":"arxiv","id":"2203.10907","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.10907","created_at":"2026-07-05T04:59:20Z"},{"alias_kind":"arxiv_version","alias_value":"2203.10907v1","created_at":"2026-07-05T04:59:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.10907","created_at":"2026-07-05T04:59:20Z"},{"alias_kind":"pith_short_12","alias_value":"XBB4Y7CFDOH5","created_at":"2026-07-05T04:59:20Z"},{"alias_kind":"pith_short_16","alias_value":"XBB4Y7CFDOH5M4B7","created_at":"2026-07-05T04:59:20Z"},{"alias_kind":"pith_short_8","alias_value":"XBB4Y7CF","created_at":"2026-07-05T04:59:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:XBB4Y7CFDOH5M4B77OPSQ3SFX3","target":"record","payload":{"canonical_record":{"source":{"id":"2203.10907","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2022-03-21T11:59:30Z","cross_cats_sorted":[],"title_canon_sha256":"69cb428042126a8740b06e254f0254c921b9306474a3dc051ea6a97e3b4b59b4","abstract_canon_sha256":"72bc8818463df29ea1589c6be7578c6f9a8005403441fb7f6831dbb557e993a9"},"schema_version":"1.0"},"canonical_sha256":"b843cc7c451b8fd6703ffb9f286e45beecb57c5c98aa5c242874d83ac38e51fe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:59:20.656456Z","signature_b64":"1sDYKZ6BY91Fx8RsBWyI/4JJBSubRnV/kWFavTNaBalIFneD6jE5eqmFHEiJyUe9ED+JgAuGWMMOvZWvb169Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b843cc7c451b8fd6703ffb9f286e45beecb57c5c98aa5c242874d83ac38e51fe","last_reissued_at":"2026-07-05T04:59:20.656017Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:59:20.656017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.10907","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":"2026-07-05T04:59:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MxTTdCjlREFDeG2IzQncZc0jkYGi7GoUiEl81czPAtrSUkm1uHKoXCwR9PfsBc2S88J4C8CVCfRpOWgaVp2MCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T15:50:38.261423Z"},"content_sha256":"9114265238cabf72c83ad800e8fdb721c8497e1c0cf568ce57f4538736002bcb","schema_version":"1.0","event_id":"sha256:9114265238cabf72c83ad800e8fdb721c8497e1c0cf568ce57f4538736002bcb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:XBB4Y7CFDOH5M4B77OPSQ3SFX3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-point and divertor filament dynamics from Gas Puff Imaging on TCV","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Basil Duval, Cedric Tsui, Christian Theiler, Curdin W\\\"uthrich, Davide Galassi, Diego Sales de Oliveira, Earl Marmar, Jim Terry, Nicola Offeddu, Olivier F\\'evrier, Theodore Golfinopoulos, Woonghee Han","submitted_at":"2022-03-21T11:59:30Z","abstract_excerpt":"A new Gas Puff Imaging (GPI) diagnostic has been installed on the TCV tokamak, providing two-dimensional insights into Scrape-Off-Layer (SOL) turbulence dynamics above, at and below the magnetic X-point. A detailed study in L-mode, attached, lower single-null discharges shows that statistical properties have little poloidal variations, while vast differences are present in the 2D behaviour of intermittent filaments. Strongly elongated filaments, just above the X-point and in the divertor far-SOL, show a good consistency in shape and dynamics with field-line tracing from filaments at the outboa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.10907","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2203.10907/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":"2026-07-05T04:59:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hs0Waue5yb+fFPQLdxI7CLXOY6u8QR1EEjYekBvdEZh1vWVH1wWr7mipZFYyt7yq0w9kYzHmB6esp8qq/G6wAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T15:50:38.261942Z"},"content_sha256":"4e8c9474f082f4447aa263ce0956bdf9653d5c79133c586925f12d55078ff016","schema_version":"1.0","event_id":"sha256:4e8c9474f082f4447aa263ce0956bdf9653d5c79133c586925f12d55078ff016"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XBB4Y7CFDOH5M4B77OPSQ3SFX3/bundle.json","state_url":"https://pith.science/pith/XBB4Y7CFDOH5M4B77OPSQ3SFX3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XBB4Y7CFDOH5M4B77OPSQ3SFX3/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":"2026-07-31T15:50:38Z","links":{"resolver":"https://pith.science/pith/XBB4Y7CFDOH5M4B77OPSQ3SFX3","bundle":"https://pith.science/pith/XBB4Y7CFDOH5M4B77OPSQ3SFX3/bundle.json","state":"https://pith.science/pith/XBB4Y7CFDOH5M4B77OPSQ3SFX3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XBB4Y7CFDOH5M4B77OPSQ3SFX3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:XBB4Y7CFDOH5M4B77OPSQ3SFX3","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":"72bc8818463df29ea1589c6be7578c6f9a8005403441fb7f6831dbb557e993a9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2022-03-21T11:59:30Z","title_canon_sha256":"69cb428042126a8740b06e254f0254c921b9306474a3dc051ea6a97e3b4b59b4"},"schema_version":"1.0","source":{"id":"2203.10907","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.10907","created_at":"2026-07-05T04:59:20Z"},{"alias_kind":"arxiv_version","alias_value":"2203.10907v1","created_at":"2026-07-05T04:59:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.10907","created_at":"2026-07-05T04:59:20Z"},{"alias_kind":"pith_short_12","alias_value":"XBB4Y7CFDOH5","created_at":"2026-07-05T04:59:20Z"},{"alias_kind":"pith_short_16","alias_value":"XBB4Y7CFDOH5M4B7","created_at":"2026-07-05T04:59:20Z"},{"alias_kind":"pith_short_8","alias_value":"XBB4Y7CF","created_at":"2026-07-05T04:59:20Z"}],"graph_snapshots":[{"event_id":"sha256:4e8c9474f082f4447aa263ce0956bdf9653d5c79133c586925f12d55078ff016","target":"graph","created_at":"2026-07-05T04:59:20Z","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/2203.10907/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A new Gas Puff Imaging (GPI) diagnostic has been installed on the TCV tokamak, providing two-dimensional insights into Scrape-Off-Layer (SOL) turbulence dynamics above, at and below the magnetic X-point. A detailed study in L-mode, attached, lower single-null discharges shows that statistical properties have little poloidal variations, while vast differences are present in the 2D behaviour of intermittent filaments. Strongly elongated filaments, just above the X-point and in the divertor far-SOL, show a good consistency in shape and dynamics with field-line tracing from filaments at the outboa","authors_text":"Basil Duval, Cedric Tsui, Christian Theiler, Curdin W\\\"uthrich, Davide Galassi, Diego Sales de Oliveira, Earl Marmar, Jim Terry, Nicola Offeddu, Olivier F\\'evrier, Theodore Golfinopoulos, Woonghee Han","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2022-03-21T11:59:30Z","title":"X-point and divertor filament dynamics from Gas Puff Imaging on TCV"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.10907","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":"sha256:9114265238cabf72c83ad800e8fdb721c8497e1c0cf568ce57f4538736002bcb","target":"record","created_at":"2026-07-05T04:59:20Z","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":"72bc8818463df29ea1589c6be7578c6f9a8005403441fb7f6831dbb557e993a9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2022-03-21T11:59:30Z","title_canon_sha256":"69cb428042126a8740b06e254f0254c921b9306474a3dc051ea6a97e3b4b59b4"},"schema_version":"1.0","source":{"id":"2203.10907","kind":"arxiv","version":1}},"canonical_sha256":"b843cc7c451b8fd6703ffb9f286e45beecb57c5c98aa5c242874d83ac38e51fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b843cc7c451b8fd6703ffb9f286e45beecb57c5c98aa5c242874d83ac38e51fe","first_computed_at":"2026-07-05T04:59:20.656017Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:59:20.656017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1sDYKZ6BY91Fx8RsBWyI/4JJBSubRnV/kWFavTNaBalIFneD6jE5eqmFHEiJyUe9ED+JgAuGWMMOvZWvb169Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:59:20.656456Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.10907","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9114265238cabf72c83ad800e8fdb721c8497e1c0cf568ce57f4538736002bcb","sha256:4e8c9474f082f4447aa263ce0956bdf9653d5c79133c586925f12d55078ff016"],"state_sha256":"4cce613402f0cf96128be2b3bb0eb9a4a7b0713cf774f9304054356f8b0b0034"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vEhjJCNcIi3D+DaQKVZCSHV0BT2mdk6S7Zzn3CoxuJUCRA6ixkU4+VhgITaprDMFNrieZGXem6qsj7QJJhPoBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T15:50:38.267649Z","bundle_sha256":"3d2bce15ee3bb7dd0c283c1b7d1e08f545daf0e6649dc6f4eab829aa7ef466e3"}}