{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:232H7BOKOXWVDXF76FB4NKOHZI","short_pith_number":"pith:232H7BOK","canonical_record":{"source":{"id":"1401.7219","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-01-28T15:29:33Z","cross_cats_sorted":[],"title_canon_sha256":"953143eded58732aa05c0df432747b4e9364b0bb963aa47d652d3a7e07f87d24","abstract_canon_sha256":"b39543f4f149736fb5817d67a88471558671c334aff8cc6e93052c19fc3fd6cf"},"schema_version":"1.0"},"canonical_sha256":"d6f47f85ca75ed51dcbff143c6a9c7ca34d18bf2f7d5d32af29a374738e15afd","source":{"kind":"arxiv","id":"1401.7219","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.7219","created_at":"2026-05-18T03:00:50Z"},{"alias_kind":"arxiv_version","alias_value":"1401.7219v1","created_at":"2026-05-18T03:00:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.7219","created_at":"2026-05-18T03:00:50Z"},{"alias_kind":"pith_short_12","alias_value":"232H7BOKOXWV","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"232H7BOKOXWVDXF7","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"232H7BOK","created_at":"2026-05-18T12:28:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:232H7BOKOXWVDXF76FB4NKOHZI","target":"record","payload":{"canonical_record":{"source":{"id":"1401.7219","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-01-28T15:29:33Z","cross_cats_sorted":[],"title_canon_sha256":"953143eded58732aa05c0df432747b4e9364b0bb963aa47d652d3a7e07f87d24","abstract_canon_sha256":"b39543f4f149736fb5817d67a88471558671c334aff8cc6e93052c19fc3fd6cf"},"schema_version":"1.0"},"canonical_sha256":"d6f47f85ca75ed51dcbff143c6a9c7ca34d18bf2f7d5d32af29a374738e15afd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:00:50.579474Z","signature_b64":"/r5JJ46jUiaYorY7rcQHOEBwKBBJTv6brsV8zu4txgzY6hOI/JsYRvSvYIdFXvJVVxm2obIZTXTCHlWn0kmsBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6f47f85ca75ed51dcbff143c6a9c7ca34d18bf2f7d5d32af29a374738e15afd","last_reissued_at":"2026-05-18T03:00:50.578953Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:00:50.578953Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.7219","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":"2026-05-18T03:00:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oVrwkmG0mp6FyNPZgtnZI6DK4bQ5w1LzHy1ZdY78m77M0Z5YQNTz+krpkw+ZhQJ8cEhOHNJOLhfeN4EBAcFuDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:18:14.117644Z"},"content_sha256":"10552fdf39bda7aa8aa894662901b2304beaf90ca16e839ef5925e4431ff669d","schema_version":"1.0","event_id":"sha256:10552fdf39bda7aa8aa894662901b2304beaf90ca16e839ef5925e4431ff669d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:232H7BOKOXWVDXF76FB4NKOHZI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Surface Folding Induced Attraction and Motion of Particles in a Soft Elastic Gel: Cooperative Effects of Surface Tension, Elasticity and Gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Aditi Chakrabarti, Manoj K. Chaudhury","submitted_at":"2014-01-28T15:29:33Z","abstract_excerpt":"We report, for the first time, some experimental observations regarding a new type of long range interaction between rigid particles that prevails when they are suspended in an soft elastic gel. A denser particle submerges itself to a considerable depth inside the gel and becomes buoyant by balancing its weight against the elastic force exerted by the surrounding medium. By virtue of a large elastic-capillary length, the surface of the gel wraps around the particle and closes to create a line singularity connecting the particle to the free surface of the gel. Substantial amount of tensile stra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.7219","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":"2026-05-18T03:00:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8jgIA4aofwoVGAal8GxA32oZp+weSJFYvEYWcvYOxB/S4MCnJ0Yk1OHoVY8ppvos5ME7ioZ8LP1YIbkro/A6AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:18:14.118351Z"},"content_sha256":"fe62aca21092574393d91cebb501e553d5c46f718edcae831585e26ca6fd84d6","schema_version":"1.0","event_id":"sha256:fe62aca21092574393d91cebb501e553d5c46f718edcae831585e26ca6fd84d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/232H7BOKOXWVDXF76FB4NKOHZI/bundle.json","state_url":"https://pith.science/pith/232H7BOKOXWVDXF76FB4NKOHZI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/232H7BOKOXWVDXF76FB4NKOHZI/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":"2026-05-25T23:18:14Z","links":{"resolver":"https://pith.science/pith/232H7BOKOXWVDXF76FB4NKOHZI","bundle":"https://pith.science/pith/232H7BOKOXWVDXF76FB4NKOHZI/bundle.json","state":"https://pith.science/pith/232H7BOKOXWVDXF76FB4NKOHZI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/232H7BOKOXWVDXF76FB4NKOHZI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:232H7BOKOXWVDXF76FB4NKOHZI","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":"b39543f4f149736fb5817d67a88471558671c334aff8cc6e93052c19fc3fd6cf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-01-28T15:29:33Z","title_canon_sha256":"953143eded58732aa05c0df432747b4e9364b0bb963aa47d652d3a7e07f87d24"},"schema_version":"1.0","source":{"id":"1401.7219","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.7219","created_at":"2026-05-18T03:00:50Z"},{"alias_kind":"arxiv_version","alias_value":"1401.7219v1","created_at":"2026-05-18T03:00:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.7219","created_at":"2026-05-18T03:00:50Z"},{"alias_kind":"pith_short_12","alias_value":"232H7BOKOXWV","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"232H7BOKOXWVDXF7","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"232H7BOK","created_at":"2026-05-18T12:28:09Z"}],"graph_snapshots":[{"event_id":"sha256:fe62aca21092574393d91cebb501e553d5c46f718edcae831585e26ca6fd84d6","target":"graph","created_at":"2026-05-18T03:00:50Z","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":"We report, for the first time, some experimental observations regarding a new type of long range interaction between rigid particles that prevails when they are suspended in an soft elastic gel. A denser particle submerges itself to a considerable depth inside the gel and becomes buoyant by balancing its weight against the elastic force exerted by the surrounding medium. By virtue of a large elastic-capillary length, the surface of the gel wraps around the particle and closes to create a line singularity connecting the particle to the free surface of the gel. Substantial amount of tensile stra","authors_text":"Aditi Chakrabarti, Manoj K. Chaudhury","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-01-28T15:29:33Z","title":"Surface Folding Induced Attraction and Motion of Particles in a Soft Elastic Gel: Cooperative Effects of Surface Tension, Elasticity and Gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.7219","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":"sha256:10552fdf39bda7aa8aa894662901b2304beaf90ca16e839ef5925e4431ff669d","target":"record","created_at":"2026-05-18T03:00:50Z","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":"b39543f4f149736fb5817d67a88471558671c334aff8cc6e93052c19fc3fd6cf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-01-28T15:29:33Z","title_canon_sha256":"953143eded58732aa05c0df432747b4e9364b0bb963aa47d652d3a7e07f87d24"},"schema_version":"1.0","source":{"id":"1401.7219","kind":"arxiv","version":1}},"canonical_sha256":"d6f47f85ca75ed51dcbff143c6a9c7ca34d18bf2f7d5d32af29a374738e15afd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6f47f85ca75ed51dcbff143c6a9c7ca34d18bf2f7d5d32af29a374738e15afd","first_computed_at":"2026-05-18T03:00:50.578953Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:00:50.578953Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/r5JJ46jUiaYorY7rcQHOEBwKBBJTv6brsV8zu4txgzY6hOI/JsYRvSvYIdFXvJVVxm2obIZTXTCHlWn0kmsBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:00:50.579474Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.7219","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:10552fdf39bda7aa8aa894662901b2304beaf90ca16e839ef5925e4431ff669d","sha256:fe62aca21092574393d91cebb501e553d5c46f718edcae831585e26ca6fd84d6"],"state_sha256":"ef20dcbdbe161bacdf1b4c05abea44420c1ad7fbd6bb439c74c05c3526223b00"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rM7IG3c2Hy7aAxBHYeoOTridz3rv+DX96fekECyxd2uinEhgzhbSIrDtXLnXRIJvtp1DYLi7LXxTf6+FKW4sDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T23:18:14.122025Z","bundle_sha256":"9c0a3cbeff30273563f7707229463bd43c007909bfd70596d3f648bac943c2ed"}}