{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:I4FIW7EQN7CT2CR67DFTTCPQGB","short_pith_number":"pith:I4FIW7EQ","canonical_record":{"source":{"id":"1704.05675","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-04-19T10:08:01Z","cross_cats_sorted":[],"title_canon_sha256":"beb0c1a300522f16553055c777a0882d555889a4423932b741b67da756844850","abstract_canon_sha256":"e133cce712683c5c39ba967eb178e82f5dc6df7c46dd927c1b6470a9a31d9f38"},"schema_version":"1.0"},"canonical_sha256":"470a8b7c906fc53d0a3ef8cb3989f03054f19b7a19ab02a10bbee7db62795094","source":{"kind":"arxiv","id":"1704.05675","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.05675","created_at":"2026-05-18T00:38:02Z"},{"alias_kind":"arxiv_version","alias_value":"1704.05675v1","created_at":"2026-05-18T00:38:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.05675","created_at":"2026-05-18T00:38:02Z"},{"alias_kind":"pith_short_12","alias_value":"I4FIW7EQN7CT","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"I4FIW7EQN7CT2CR6","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"I4FIW7EQ","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:I4FIW7EQN7CT2CR67DFTTCPQGB","target":"record","payload":{"canonical_record":{"source":{"id":"1704.05675","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-04-19T10:08:01Z","cross_cats_sorted":[],"title_canon_sha256":"beb0c1a300522f16553055c777a0882d555889a4423932b741b67da756844850","abstract_canon_sha256":"e133cce712683c5c39ba967eb178e82f5dc6df7c46dd927c1b6470a9a31d9f38"},"schema_version":"1.0"},"canonical_sha256":"470a8b7c906fc53d0a3ef8cb3989f03054f19b7a19ab02a10bbee7db62795094","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:02.962383Z","signature_b64":"BLCWDyfgNtQNJzYMZYEVrZ9PM3dOQTvOyd0iZXEvCU5vWi8/6z/M41tL08aHGgXN+a3iKsf+BMuLok1SSmD4DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"470a8b7c906fc53d0a3ef8cb3989f03054f19b7a19ab02a10bbee7db62795094","last_reissued_at":"2026-05-18T00:38:02.961912Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:02.961912Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.05675","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":"2026-05-18T00:38:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CE2ig6i5yRpZY2i3uAv0kkJp/GqHyK8aq4WbUu0HJ94oSgEmAAvegxFQ2A+LmUhSNpuJy55Tcp6zjN9rTyTqAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:28:52.288899Z"},"content_sha256":"b6085ed2accacea159cd47af78ca856c0da47c071a2b661bb9082ba774fe2eec","schema_version":"1.0","event_id":"sha256:b6085ed2accacea159cd47af78ca856c0da47c071a2b661bb9082ba774fe2eec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:I4FIW7EQN7CT2CR67DFTTCPQGB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mid-infrared interferometric variability of DG Tau: implications for the inner-disk structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Juh\\'asz, \\'A. K\\'osp\\'al, A. Mo\\'or, C. P. Dullemond, J. Menu, J. Varga, K. \\'E. Gab\\'anyi, L. Chen, L. Mosoni, N. Sipos, P. \\'Abrah\\'am, R. van Boekel, Th. Henning, Th. Ratzka, W. Jaffe","submitted_at":"2017-04-19T10:08:01Z","abstract_excerpt":"Context. DG Tau is a low-mass pre-main sequence star, whose strongly accreting protoplanetary disk exhibits a so-far enigmatic behavior: its mid-infrared thermal emission is strongly time-variable, even turning the 10 $\\mu$m silicate feature from emission to absorption temporarily. Aims. We look for the reason for the spectral variability at high spatial resolution and at multiple epochs. Methods. We study the temporal variability of the mid-infrared interferometric signal, observed with the VLTI/MIDI instrument at six epochs between 2011 and 2014. We fit a geometric disk model to the observed"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.05675","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":"2026-05-18T00:38:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uud1Sv0ridYxLAKLcCs8FA3F6e3EbgmEEVJTO3BF5L9JbOZsLfoFiaqetfxuTW4u7l4W5vnNSCkJgaATg/lVDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:28:52.289552Z"},"content_sha256":"0c8cd47d493223e5adaa30d5132413dc4e97fba3230935e11e0992df49d24274","schema_version":"1.0","event_id":"sha256:0c8cd47d493223e5adaa30d5132413dc4e97fba3230935e11e0992df49d24274"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I4FIW7EQN7CT2CR67DFTTCPQGB/bundle.json","state_url":"https://pith.science/pith/I4FIW7EQN7CT2CR67DFTTCPQGB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I4FIW7EQN7CT2CR67DFTTCPQGB/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":"2026-05-27T11:28:52Z","links":{"resolver":"https://pith.science/pith/I4FIW7EQN7CT2CR67DFTTCPQGB","bundle":"https://pith.science/pith/I4FIW7EQN7CT2CR67DFTTCPQGB/bundle.json","state":"https://pith.science/pith/I4FIW7EQN7CT2CR67DFTTCPQGB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I4FIW7EQN7CT2CR67DFTTCPQGB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:I4FIW7EQN7CT2CR67DFTTCPQGB","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":"e133cce712683c5c39ba967eb178e82f5dc6df7c46dd927c1b6470a9a31d9f38","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-04-19T10:08:01Z","title_canon_sha256":"beb0c1a300522f16553055c777a0882d555889a4423932b741b67da756844850"},"schema_version":"1.0","source":{"id":"1704.05675","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.05675","created_at":"2026-05-18T00:38:02Z"},{"alias_kind":"arxiv_version","alias_value":"1704.05675v1","created_at":"2026-05-18T00:38:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.05675","created_at":"2026-05-18T00:38:02Z"},{"alias_kind":"pith_short_12","alias_value":"I4FIW7EQN7CT","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"I4FIW7EQN7CT2CR6","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"I4FIW7EQ","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:0c8cd47d493223e5adaa30d5132413dc4e97fba3230935e11e0992df49d24274","target":"graph","created_at":"2026-05-18T00:38:02Z","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":"Context. DG Tau is a low-mass pre-main sequence star, whose strongly accreting protoplanetary disk exhibits a so-far enigmatic behavior: its mid-infrared thermal emission is strongly time-variable, even turning the 10 $\\mu$m silicate feature from emission to absorption temporarily. Aims. We look for the reason for the spectral variability at high spatial resolution and at multiple epochs. Methods. We study the temporal variability of the mid-infrared interferometric signal, observed with the VLTI/MIDI instrument at six epochs between 2011 and 2014. We fit a geometric disk model to the observed","authors_text":"A. Juh\\'asz, \\'A. K\\'osp\\'al, A. Mo\\'or, C. P. Dullemond, J. Menu, J. Varga, K. \\'E. Gab\\'anyi, L. Chen, L. Mosoni, N. Sipos, P. \\'Abrah\\'am, R. van Boekel, Th. Henning, Th. Ratzka, W. Jaffe","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-04-19T10:08:01Z","title":"Mid-infrared interferometric variability of DG Tau: implications for the inner-disk structure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.05675","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:b6085ed2accacea159cd47af78ca856c0da47c071a2b661bb9082ba774fe2eec","target":"record","created_at":"2026-05-18T00:38:02Z","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":"e133cce712683c5c39ba967eb178e82f5dc6df7c46dd927c1b6470a9a31d9f38","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-04-19T10:08:01Z","title_canon_sha256":"beb0c1a300522f16553055c777a0882d555889a4423932b741b67da756844850"},"schema_version":"1.0","source":{"id":"1704.05675","kind":"arxiv","version":1}},"canonical_sha256":"470a8b7c906fc53d0a3ef8cb3989f03054f19b7a19ab02a10bbee7db62795094","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"470a8b7c906fc53d0a3ef8cb3989f03054f19b7a19ab02a10bbee7db62795094","first_computed_at":"2026-05-18T00:38:02.961912Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:02.961912Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BLCWDyfgNtQNJzYMZYEVrZ9PM3dOQTvOyd0iZXEvCU5vWi8/6z/M41tL08aHGgXN+a3iKsf+BMuLok1SSmD4DA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:02.962383Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.05675","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b6085ed2accacea159cd47af78ca856c0da47c071a2b661bb9082ba774fe2eec","sha256:0c8cd47d493223e5adaa30d5132413dc4e97fba3230935e11e0992df49d24274"],"state_sha256":"e2dcdfbe143986e1c26ac36290a4815c2b606138574ba15553f506244319b2a0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mGIc8Vz4VtG7uWmUQ1yHk2Q0G9uJ/5QLM3V/QoZ7hJhngk/rcgZMpUnE5hsW9d3vYsw9d9+tHsYWarQHFALjAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:28:52.292890Z","bundle_sha256":"7ed3344392c74d72660efd213ff51b8cda7aa91cd1cac7090214d03622ff5f5b"}}