{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:PVDDPO6VGQ2TFY4FSVHXF6LTQX","short_pith_number":"pith:PVDDPO6V","canonical_record":{"source":{"id":"1501.03634","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-01-15T11:24:29Z","cross_cats_sorted":[],"title_canon_sha256":"7d0ab949809863c91d4cc86442c860c72270238859108d69966ae2e1b13e2b9d","abstract_canon_sha256":"5d1b0cb67544b36a80a48410a1042490d85cbeb9c35896a482e8cd527e2dd61f"},"schema_version":"1.0"},"canonical_sha256":"7d4637bbd5343532e385954f72f97385ea21f4cff59bd3a813e5f3b08c2bfe1f","source":{"kind":"arxiv","id":"1501.03634","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.03634","created_at":"2026-05-18T01:41:10Z"},{"alias_kind":"arxiv_version","alias_value":"1501.03634v1","created_at":"2026-05-18T01:41:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.03634","created_at":"2026-05-18T01:41:10Z"},{"alias_kind":"pith_short_12","alias_value":"PVDDPO6VGQ2T","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PVDDPO6VGQ2TFY4F","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PVDDPO6V","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:PVDDPO6VGQ2TFY4FSVHXF6LTQX","target":"record","payload":{"canonical_record":{"source":{"id":"1501.03634","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-01-15T11:24:29Z","cross_cats_sorted":[],"title_canon_sha256":"7d0ab949809863c91d4cc86442c860c72270238859108d69966ae2e1b13e2b9d","abstract_canon_sha256":"5d1b0cb67544b36a80a48410a1042490d85cbeb9c35896a482e8cd527e2dd61f"},"schema_version":"1.0"},"canonical_sha256":"7d4637bbd5343532e385954f72f97385ea21f4cff59bd3a813e5f3b08c2bfe1f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:10.855693Z","signature_b64":"ZooOZPTI9FgunamDBldgfKKpsDb/J8Zs2KWc67eXMW5IjPuP4ftlB4ebH+cOn/nnpN+te+dVsSxZS1mpljjkAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7d4637bbd5343532e385954f72f97385ea21f4cff59bd3a813e5f3b08c2bfe1f","last_reissued_at":"2026-05-18T01:41:10.854974Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:10.854974Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.03634","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":"2026-05-18T01:41:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"omOylioLO8GU9u/3fJzeuLnThWdPX3Smj4sbdE/oL9/jM9LzSWmVLmuciyEIs9MV4cmzcSyP7oGD8UiPYsgnAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:52:32.689872Z"},"content_sha256":"6d2bbf81d523effae3e22414ed4b48183a8b997f6cae75e24d39733e8532dd36","schema_version":"1.0","event_id":"sha256:6d2bbf81d523effae3e22414ed4b48183a8b997f6cae75e24d39733e8532dd36"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:PVDDPO6VGQ2TFY4FSVHXF6LTQX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Star-formation rates from young-star counts and the structure of the ISM across the NGC346/N66 complex in the SMC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Hughes, C. Bot, C.-H. R. Chen, D. A. Gouliermis, D. Cormier, F. Galliano, J. Oliveira, J.-P. Bernard, J. Roman-Duval, K. Gordon, L. Carlson, L. Smith, M. Galametz, M. Meixner, M. Rubio, M. Sauvage, M.-Y. Lee, R. Indebetouw, R. S. Klessen, R. Wu, S. C. Madden, S. Dib, S. Hony, V. Lebouteiller","submitted_at":"2015-01-15T11:24:29Z","abstract_excerpt":"The rate at which interstellar gas is converted into stars, and its dependence on environment, is one of the pillars on which our understanding of the visible Universe is build. We present a comparison of the surface density of young stars (Sigma_*) and dust surface density (Sigma_d) across NGC346 (N66) in 115 independent pixels of 6x6 pc^2. We find a correlation between Sigma_* and Sigma_d with a considerable scatter. A power law fit to the data yields a steep relation with an exponent of 2.6+-0.2. We convert Sigma_d to gas surface density (Sigma_g) and Sigma_* to star formation rate (SFR) su"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.03634","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":"2026-05-18T01:41:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sXysZmQu1oxQsashDDFo/hoPticoeTZcrYgudsp0qHctBi1q+rbJfWxrB/cikto4KAPe+UmhXfKyTwrWsX70Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:52:32.690524Z"},"content_sha256":"95c6c407a382d9ca8727490401d7bde174798383f9be8e34cd3f051611f4bd2d","schema_version":"1.0","event_id":"sha256:95c6c407a382d9ca8727490401d7bde174798383f9be8e34cd3f051611f4bd2d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PVDDPO6VGQ2TFY4FSVHXF6LTQX/bundle.json","state_url":"https://pith.science/pith/PVDDPO6VGQ2TFY4FSVHXF6LTQX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PVDDPO6VGQ2TFY4FSVHXF6LTQX/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":"2026-05-27T21:52:32Z","links":{"resolver":"https://pith.science/pith/PVDDPO6VGQ2TFY4FSVHXF6LTQX","bundle":"https://pith.science/pith/PVDDPO6VGQ2TFY4FSVHXF6LTQX/bundle.json","state":"https://pith.science/pith/PVDDPO6VGQ2TFY4FSVHXF6LTQX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PVDDPO6VGQ2TFY4FSVHXF6LTQX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:PVDDPO6VGQ2TFY4FSVHXF6LTQX","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":"5d1b0cb67544b36a80a48410a1042490d85cbeb9c35896a482e8cd527e2dd61f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-01-15T11:24:29Z","title_canon_sha256":"7d0ab949809863c91d4cc86442c860c72270238859108d69966ae2e1b13e2b9d"},"schema_version":"1.0","source":{"id":"1501.03634","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.03634","created_at":"2026-05-18T01:41:10Z"},{"alias_kind":"arxiv_version","alias_value":"1501.03634v1","created_at":"2026-05-18T01:41:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.03634","created_at":"2026-05-18T01:41:10Z"},{"alias_kind":"pith_short_12","alias_value":"PVDDPO6VGQ2T","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PVDDPO6VGQ2TFY4F","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PVDDPO6V","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:95c6c407a382d9ca8727490401d7bde174798383f9be8e34cd3f051611f4bd2d","target":"graph","created_at":"2026-05-18T01:41:10Z","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":"The rate at which interstellar gas is converted into stars, and its dependence on environment, is one of the pillars on which our understanding of the visible Universe is build. We present a comparison of the surface density of young stars (Sigma_*) and dust surface density (Sigma_d) across NGC346 (N66) in 115 independent pixels of 6x6 pc^2. We find a correlation between Sigma_* and Sigma_d with a considerable scatter. A power law fit to the data yields a steep relation with an exponent of 2.6+-0.2. We convert Sigma_d to gas surface density (Sigma_g) and Sigma_* to star formation rate (SFR) su","authors_text":"A. Hughes, C. Bot, C.-H. R. Chen, D. A. Gouliermis, D. Cormier, F. Galliano, J. Oliveira, J.-P. Bernard, J. Roman-Duval, K. Gordon, L. Carlson, L. Smith, M. Galametz, M. Meixner, M. Rubio, M. Sauvage, M.-Y. Lee, R. Indebetouw, R. S. Klessen, R. Wu, S. C. Madden, S. Dib, S. Hony, V. Lebouteiller","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-01-15T11:24:29Z","title":"Star-formation rates from young-star counts and the structure of the ISM across the NGC346/N66 complex in the SMC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.03634","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":"sha256:6d2bbf81d523effae3e22414ed4b48183a8b997f6cae75e24d39733e8532dd36","target":"record","created_at":"2026-05-18T01:41:10Z","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":"5d1b0cb67544b36a80a48410a1042490d85cbeb9c35896a482e8cd527e2dd61f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-01-15T11:24:29Z","title_canon_sha256":"7d0ab949809863c91d4cc86442c860c72270238859108d69966ae2e1b13e2b9d"},"schema_version":"1.0","source":{"id":"1501.03634","kind":"arxiv","version":1}},"canonical_sha256":"7d4637bbd5343532e385954f72f97385ea21f4cff59bd3a813e5f3b08c2bfe1f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7d4637bbd5343532e385954f72f97385ea21f4cff59bd3a813e5f3b08c2bfe1f","first_computed_at":"2026-05-18T01:41:10.854974Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:10.854974Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZooOZPTI9FgunamDBldgfKKpsDb/J8Zs2KWc67eXMW5IjPuP4ftlB4ebH+cOn/nnpN+te+dVsSxZS1mpljjkAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:10.855693Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.03634","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d2bbf81d523effae3e22414ed4b48183a8b997f6cae75e24d39733e8532dd36","sha256:95c6c407a382d9ca8727490401d7bde174798383f9be8e34cd3f051611f4bd2d"],"state_sha256":"64c2fc5460bb3d7e96de530b36a20b18d498a7d3ad4b877489d8c71b9182935d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BZgPmeRoevm390x5WLGTP1HXH4WcZePrSuzeqx5XPXxpKCvjCAfJFfCTkn4+APkQHYNmz4l40y8yih5PnLf3Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T21:52:32.694046Z","bundle_sha256":"b0c9642dedd2afb927e84573fbc2e79b5cf36445daf1ab04ad9ac5757c2e33c8"}}