{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:YI63DTSLOK6UEENHO46CRR3C34","short_pith_number":"pith:YI63DTSL","canonical_record":{"source":{"id":"1511.03543","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-11-11T15:48:39Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"60fb04dd4ddc91022267da4e9cb2c88f87aa25fdba1936db036db0c94c6fe317","abstract_canon_sha256":"cd755197795ea0b5f2a2579f2b2b573effe493f110925a0c9cbf9cde9976eb75"},"schema_version":"1.0"},"canonical_sha256":"c23db1ce4b72bd4211a7773c28c762df34dc0912b35dfe2baf5d89fb4e655757","source":{"kind":"arxiv","id":"1511.03543","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.03543","created_at":"2026-05-18T01:25:17Z"},{"alias_kind":"arxiv_version","alias_value":"1511.03543v1","created_at":"2026-05-18T01:25:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.03543","created_at":"2026-05-18T01:25:17Z"},{"alias_kind":"pith_short_12","alias_value":"YI63DTSLOK6U","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YI63DTSLOK6UEENH","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YI63DTSL","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:YI63DTSLOK6UEENHO46CRR3C34","target":"record","payload":{"canonical_record":{"source":{"id":"1511.03543","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-11-11T15:48:39Z","cross_cats_sorted":["physics.bio-ph"],"title_canon_sha256":"60fb04dd4ddc91022267da4e9cb2c88f87aa25fdba1936db036db0c94c6fe317","abstract_canon_sha256":"cd755197795ea0b5f2a2579f2b2b573effe493f110925a0c9cbf9cde9976eb75"},"schema_version":"1.0"},"canonical_sha256":"c23db1ce4b72bd4211a7773c28c762df34dc0912b35dfe2baf5d89fb4e655757","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:17.676769Z","signature_b64":"t3pLfCHK1NxWKT/QYm2iCxMipzXrsYJ1nyoat3e1/eDo9vnO1DiaNwfQy59pVWUB+9BEOmRqATNvqQrMqICzAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c23db1ce4b72bd4211a7773c28c762df34dc0912b35dfe2baf5d89fb4e655757","last_reissued_at":"2026-05-18T01:25:17.676034Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:17.676034Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.03543","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":"2026-05-18T01:25:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pRs7oMosQaf6xCrQ0nQts9G4QJeXyEX6bDXJPM/bwMbE92465JYOGcxkzSC6JOl9vcOM7uBWjHGX6UsHouzzCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T17:43:32.365971Z"},"content_sha256":"87c5a47569dd97e3476a2e9c93a8b57cb541e350fe0fbae8169e32aa6059f9e3","schema_version":"1.0","event_id":"sha256:87c5a47569dd97e3476a2e9c93a8b57cb541e350fe0fbae8169e32aa6059f9e3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:YI63DTSLOK6UEENHO46CRR3C34","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Formation of a Macroscopically Flat Phospholipid Membrane on a Hydrosol Substrate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph"],"primary_cat":"cond-mat.soft","authors_text":"Aleksey M. Tikhonov, Viktor E. Asadchikov, Yuri O. Volkov","submitted_at":"2015-11-11T15:48:39Z","abstract_excerpt":"The dependence of the structure of a phospholipid layer (DSPC and SOPC) adsorbed on a hydrosol substrate on the concentration of NaOH in a solution of 5-nm silica particles has been studied by X-ray reflectrometry with the use of synchrotron radiation. Profiles of the electron density (polarizability) have been reconstructed from the experimental data within a model-independent approach. According to these profiles, the thickness of the lipid film can vary from a monolayer (~ 35 Angstrom) to several bilayers (~ 450 Angstrom). At the volume concentration of NaOH of ~ 0.5 mol/L, the film on the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.03543","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":"2026-05-18T01:25:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MhQ+Kxt8dmPRikaaZqvP/Fl7DkylDqE2UEMXZ6U1Nkf62X0NwC2DN4ldYQRBLV618Q0z3dMPKL2aU22C+ZgLCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T17:43:32.366341Z"},"content_sha256":"64f42f054f4b468ceee84b80d57fa4d109198dd5634d05ac358b8e59b9c3602d","schema_version":"1.0","event_id":"sha256:64f42f054f4b468ceee84b80d57fa4d109198dd5634d05ac358b8e59b9c3602d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YI63DTSLOK6UEENHO46CRR3C34/bundle.json","state_url":"https://pith.science/pith/YI63DTSLOK6UEENHO46CRR3C34/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YI63DTSLOK6UEENHO46CRR3C34/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":"2026-06-23T17:43:32Z","links":{"resolver":"https://pith.science/pith/YI63DTSLOK6UEENHO46CRR3C34","bundle":"https://pith.science/pith/YI63DTSLOK6UEENHO46CRR3C34/bundle.json","state":"https://pith.science/pith/YI63DTSLOK6UEENHO46CRR3C34/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YI63DTSLOK6UEENHO46CRR3C34/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YI63DTSLOK6UEENHO46CRR3C34","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":"cd755197795ea0b5f2a2579f2b2b573effe493f110925a0c9cbf9cde9976eb75","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-11-11T15:48:39Z","title_canon_sha256":"60fb04dd4ddc91022267da4e9cb2c88f87aa25fdba1936db036db0c94c6fe317"},"schema_version":"1.0","source":{"id":"1511.03543","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.03543","created_at":"2026-05-18T01:25:17Z"},{"alias_kind":"arxiv_version","alias_value":"1511.03543v1","created_at":"2026-05-18T01:25:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.03543","created_at":"2026-05-18T01:25:17Z"},{"alias_kind":"pith_short_12","alias_value":"YI63DTSLOK6U","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YI63DTSLOK6UEENH","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YI63DTSL","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:64f42f054f4b468ceee84b80d57fa4d109198dd5634d05ac358b8e59b9c3602d","target":"graph","created_at":"2026-05-18T01:25:17Z","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 dependence of the structure of a phospholipid layer (DSPC and SOPC) adsorbed on a hydrosol substrate on the concentration of NaOH in a solution of 5-nm silica particles has been studied by X-ray reflectrometry with the use of synchrotron radiation. Profiles of the electron density (polarizability) have been reconstructed from the experimental data within a model-independent approach. According to these profiles, the thickness of the lipid film can vary from a monolayer (~ 35 Angstrom) to several bilayers (~ 450 Angstrom). At the volume concentration of NaOH of ~ 0.5 mol/L, the film on the ","authors_text":"Aleksey M. Tikhonov, Viktor E. Asadchikov, Yuri O. Volkov","cross_cats":["physics.bio-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-11-11T15:48:39Z","title":"On the Formation of a Macroscopically Flat Phospholipid Membrane on a Hydrosol Substrate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.03543","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":"sha256:87c5a47569dd97e3476a2e9c93a8b57cb541e350fe0fbae8169e32aa6059f9e3","target":"record","created_at":"2026-05-18T01:25:17Z","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":"cd755197795ea0b5f2a2579f2b2b573effe493f110925a0c9cbf9cde9976eb75","cross_cats_sorted":["physics.bio-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-11-11T15:48:39Z","title_canon_sha256":"60fb04dd4ddc91022267da4e9cb2c88f87aa25fdba1936db036db0c94c6fe317"},"schema_version":"1.0","source":{"id":"1511.03543","kind":"arxiv","version":1}},"canonical_sha256":"c23db1ce4b72bd4211a7773c28c762df34dc0912b35dfe2baf5d89fb4e655757","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c23db1ce4b72bd4211a7773c28c762df34dc0912b35dfe2baf5d89fb4e655757","first_computed_at":"2026-05-18T01:25:17.676034Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:25:17.676034Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t3pLfCHK1NxWKT/QYm2iCxMipzXrsYJ1nyoat3e1/eDo9vnO1DiaNwfQy59pVWUB+9BEOmRqATNvqQrMqICzAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:25:17.676769Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.03543","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:87c5a47569dd97e3476a2e9c93a8b57cb541e350fe0fbae8169e32aa6059f9e3","sha256:64f42f054f4b468ceee84b80d57fa4d109198dd5634d05ac358b8e59b9c3602d"],"state_sha256":"f501be1c0faf7238cb09a15e83bdeffab653e0c7c513db6bf3e107e47e27f78b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"glG5tXObnO+Tw9cD2gI1tdbyqmBhI+gIzzsAhFKgvSIpiWprqd67cVo0g9RRlblTwJVnzVT5thq4EO8eszc8DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T17:43:32.368308Z","bundle_sha256":"215ccb0b689dba080db96fece23c397f7e2c60ebec6e4474bf6c4ff9585bfbee"}}