{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:D7JIJX6T4RIXTH775T3OICHPVN","short_pith_number":"pith:D7JIJX6T","canonical_record":{"source":{"id":"astro-ph/0001422","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-01-25T02:42:45Z","cross_cats_sorted":[],"title_canon_sha256":"f6155e066a82f367e54cf207b13bccf06bd70b10f221ec77f520a457fe13e5b8","abstract_canon_sha256":"dbbd526664328eee589aacfce2d92780b487a444804c7e62f10f6cda83840ec7"},"schema_version":"1.0"},"canonical_sha256":"1fd284dfd3e451799fffecf6e408efab456af643902aa6bc07ead5a4ce202bac","source":{"kind":"arxiv","id":"astro-ph/0001422","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0001422","created_at":"2026-07-04T16:15:57Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0001422v1","created_at":"2026-07-04T16:15:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0001422","created_at":"2026-07-04T16:15:57Z"},{"alias_kind":"pith_short_12","alias_value":"D7JIJX6T4RIX","created_at":"2026-07-04T16:15:57Z"},{"alias_kind":"pith_short_16","alias_value":"D7JIJX6T4RIXTH77","created_at":"2026-07-04T16:15:57Z"},{"alias_kind":"pith_short_8","alias_value":"D7JIJX6T","created_at":"2026-07-04T16:15:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:D7JIJX6T4RIXTH775T3OICHPVN","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0001422","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-01-25T02:42:45Z","cross_cats_sorted":[],"title_canon_sha256":"f6155e066a82f367e54cf207b13bccf06bd70b10f221ec77f520a457fe13e5b8","abstract_canon_sha256":"dbbd526664328eee589aacfce2d92780b487a444804c7e62f10f6cda83840ec7"},"schema_version":"1.0"},"canonical_sha256":"1fd284dfd3e451799fffecf6e408efab456af643902aa6bc07ead5a4ce202bac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:15:57.662202Z","signature_b64":"uGK30SyfUGADMQ7+vUlKgStcy59oir2h1EK8ZGNBFL/qbs4uaj6k8P+LZH2o8iqHcRSGRibQBfX1PWvgweCrAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fd284dfd3e451799fffecf6e408efab456af643902aa6bc07ead5a4ce202bac","last_reissued_at":"2026-07-04T16:15:57.661728Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:15:57.661728Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0001422","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":"2026-07-04T16:15:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HI4ZP6kkPMY9CHAKVz5otBF9d4HVKwv6SEGH+9os8mRjGup24ypgJF0vGJALKvulP7bCJEdymD/IDfyUug26Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T07:40:09.746452Z"},"content_sha256":"81571206ea6e1f7e957bb8902f974fd9f636cc194afab3ae1bdb226df344fd00","schema_version":"1.0","event_id":"sha256:81571206ea6e1f7e957bb8902f974fd9f636cc194afab3ae1bdb226df344fd00"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:D7JIJX6T4RIXTH775T3OICHPVN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gas Stripping of Dwarf Galaxies in Clusters of Galaxies","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andreas Burkert (Max-Planck-Institut fuer Astronomie), Masao Mori (University of Tokyo)","submitted_at":"2000-01-25T02:42:45Z","abstract_excerpt":"Many clusters of galaxies contain an appreciable amount of hot gas, the intracluster medium. As a consequence, gas will be stripped from galaxies that move through the inter cluster medium, if the ram pressure exceeds the internal gravitational force. We study the interaction between the intracluster medium and an extended gas component of dwarf galaxies confined by a surrounding cold dark matter halo analytically and numerically, using axisymmetric two-dimensional hydrodynamical simulations at high resolution. The results show that the gas within the dark matter halo is totally stripped in a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0001422","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/astro-ph/0001422/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":"2026-07-04T16:15:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZVBKlT60IH4gpY9vDDMD2rz9CMuataGpI7QaUi5W7CLYTAXawxihqxJk7p+RS7LvRu/+VJ1Fq8XoylouF7eXCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T07:40:09.747349Z"},"content_sha256":"4f3ed82cf97bbca344efaa7d01871033c240ce1e5091852e3698165cd4bed710","schema_version":"1.0","event_id":"sha256:4f3ed82cf97bbca344efaa7d01871033c240ce1e5091852e3698165cd4bed710"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D7JIJX6T4RIXTH775T3OICHPVN/bundle.json","state_url":"https://pith.science/pith/D7JIJX6T4RIXTH775T3OICHPVN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D7JIJX6T4RIXTH775T3OICHPVN/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":"2026-08-12T07:40:09Z","links":{"resolver":"https://pith.science/pith/D7JIJX6T4RIXTH775T3OICHPVN","bundle":"https://pith.science/pith/D7JIJX6T4RIXTH775T3OICHPVN/bundle.json","state":"https://pith.science/pith/D7JIJX6T4RIXTH775T3OICHPVN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D7JIJX6T4RIXTH775T3OICHPVN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:D7JIJX6T4RIXTH775T3OICHPVN","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":"dbbd526664328eee589aacfce2d92780b487a444804c7e62f10f6cda83840ec7","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-01-25T02:42:45Z","title_canon_sha256":"f6155e066a82f367e54cf207b13bccf06bd70b10f221ec77f520a457fe13e5b8"},"schema_version":"1.0","source":{"id":"astro-ph/0001422","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0001422","created_at":"2026-07-04T16:15:57Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0001422v1","created_at":"2026-07-04T16:15:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0001422","created_at":"2026-07-04T16:15:57Z"},{"alias_kind":"pith_short_12","alias_value":"D7JIJX6T4RIX","created_at":"2026-07-04T16:15:57Z"},{"alias_kind":"pith_short_16","alias_value":"D7JIJX6T4RIXTH77","created_at":"2026-07-04T16:15:57Z"},{"alias_kind":"pith_short_8","alias_value":"D7JIJX6T","created_at":"2026-07-04T16:15:57Z"}],"graph_snapshots":[{"event_id":"sha256:4f3ed82cf97bbca344efaa7d01871033c240ce1e5091852e3698165cd4bed710","target":"graph","created_at":"2026-07-04T16:15:57Z","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/astro-ph/0001422/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Many clusters of galaxies contain an appreciable amount of hot gas, the intracluster medium. As a consequence, gas will be stripped from galaxies that move through the inter cluster medium, if the ram pressure exceeds the internal gravitational force. We study the interaction between the intracluster medium and an extended gas component of dwarf galaxies confined by a surrounding cold dark matter halo analytically and numerically, using axisymmetric two-dimensional hydrodynamical simulations at high resolution. The results show that the gas within the dark matter halo is totally stripped in a ","authors_text":"Andreas Burkert (Max-Planck-Institut fuer Astronomie), Masao Mori (University of Tokyo)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-01-25T02:42:45Z","title":"Gas Stripping of Dwarf Galaxies in Clusters of Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0001422","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":"sha256:81571206ea6e1f7e957bb8902f974fd9f636cc194afab3ae1bdb226df344fd00","target":"record","created_at":"2026-07-04T16:15:57Z","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":"dbbd526664328eee589aacfce2d92780b487a444804c7e62f10f6cda83840ec7","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-01-25T02:42:45Z","title_canon_sha256":"f6155e066a82f367e54cf207b13bccf06bd70b10f221ec77f520a457fe13e5b8"},"schema_version":"1.0","source":{"id":"astro-ph/0001422","kind":"arxiv","version":1}},"canonical_sha256":"1fd284dfd3e451799fffecf6e408efab456af643902aa6bc07ead5a4ce202bac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fd284dfd3e451799fffecf6e408efab456af643902aa6bc07ead5a4ce202bac","first_computed_at":"2026-07-04T16:15:57.661728Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:15:57.661728Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uGK30SyfUGADMQ7+vUlKgStcy59oir2h1EK8ZGNBFL/qbs4uaj6k8P+LZH2o8iqHcRSGRibQBfX1PWvgweCrAg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:15:57.662202Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0001422","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81571206ea6e1f7e957bb8902f974fd9f636cc194afab3ae1bdb226df344fd00","sha256:4f3ed82cf97bbca344efaa7d01871033c240ce1e5091852e3698165cd4bed710"],"state_sha256":"ad44db8b725b03a7888819d0458457e436b6a2032db11342e90fd2811b71d0f0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ztWnDuAxbBNES6EIdV34jxVFJEHS/c3oK96DgQTA9Av07pTfeBey0nBMjzM7T07jhdDEb3BjG6ISZCAOQtZsAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T07:40:09.754484Z","bundle_sha256":"0160a911a1ff787f90fa0cbbb0ff3360476e3c7e06561fc5a89f059220ea0b86"}}