{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:J3ESZ5XJDOZIRSTWNXTW6DMKV7","short_pith_number":"pith:J3ESZ5XJ","canonical_record":{"source":{"id":"2507.18820","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-07-24T21:42:27Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"722e6ac1840e84ea454386bf02997bdc2f5a53dbc071b18058d592d02ed4a46d","abstract_canon_sha256":"c3101b92f2d4a8600bbae3cd4045dc74f8cc5111a6f036a11cf293e3a6b0b56d"},"schema_version":"1.0"},"canonical_sha256":"4ec92cf6e91bb288ca766de76f0d8aafc4cc5e226641ce5e2d283bcc7f867113","source":{"kind":"arxiv","id":"2507.18820","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.18820","created_at":"2026-07-05T11:42:58Z"},{"alias_kind":"arxiv_version","alias_value":"2507.18820v1","created_at":"2026-07-05T11:42:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.18820","created_at":"2026-07-05T11:42:58Z"},{"alias_kind":"pith_short_12","alias_value":"J3ESZ5XJDOZI","created_at":"2026-07-05T11:42:58Z"},{"alias_kind":"pith_short_16","alias_value":"J3ESZ5XJDOZIRSTW","created_at":"2026-07-05T11:42:58Z"},{"alias_kind":"pith_short_8","alias_value":"J3ESZ5XJ","created_at":"2026-07-05T11:42:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:J3ESZ5XJDOZIRSTWNXTW6DMKV7","target":"record","payload":{"canonical_record":{"source":{"id":"2507.18820","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-07-24T21:42:27Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"722e6ac1840e84ea454386bf02997bdc2f5a53dbc071b18058d592d02ed4a46d","abstract_canon_sha256":"c3101b92f2d4a8600bbae3cd4045dc74f8cc5111a6f036a11cf293e3a6b0b56d"},"schema_version":"1.0"},"canonical_sha256":"4ec92cf6e91bb288ca766de76f0d8aafc4cc5e226641ce5e2d283bcc7f867113","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:42:58.892057Z","signature_b64":"PmOj7aTD220nYdpWirc3OX9zlRqPrupk8zO+sut/JPSHNVBI7wokIwHVPepx27UBhD3QkNj8VjUcfRut+zutCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ec92cf6e91bb288ca766de76f0d8aafc4cc5e226641ce5e2d283bcc7f867113","last_reissued_at":"2026-07-05T11:42:58.891612Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:42:58.891612Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.18820","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":"2026-07-05T11:42:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i5aoJ9RGKTtB6OI33zoVxnnge5+ResOmXZJp2vcYtSrR53veAPXewX9P5QmbssFro59Xk8sbTuHaAmIiALMaBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T22:59:50.756779Z"},"content_sha256":"915c596b39c2c44e8123dd21c0c78903915bdce7e1f287cb684db93db6bcdf6a","schema_version":"1.0","event_id":"sha256:915c596b39c2c44e8123dd21c0c78903915bdce7e1f287cb684db93db6bcdf6a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:J3ESZ5XJDOZIRSTWNXTW6DMKV7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MetaMorph -- A Metamodelling Approach For Robot Morphology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.HC"],"primary_cat":"cs.RO","authors_text":"Nima Zargham, Rachel Ringe, Rainer Malaka, Robert Porzel, Robin Nolte","submitted_at":"2025-07-24T21:42:27Z","abstract_excerpt":"Robot appearance crucially shapes Human-Robot Interaction (HRI) but is typically described via broad categories like anthropomorphic, zoomorphic, or technical. More precise approaches focus almost exclusively on anthropomorphic features, which fail to classify robots across all types, limiting the ability to draw meaningful connections between robot design and its effect on interaction. In response, we present MetaMorph, a comprehensive framework for classifying robot morphology. Using a metamodeling approach, MetaMorph was synthesized from 222 robots in the IEEE Robots Guide, offering a struc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.18820","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/2507.18820/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":"2026-07-05T11:42:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AQpy2qjAh2C69BHZDM8xQYI3vI8fI62fY1Id8FCPUtMoRN+B2jUN4GjiW4IVTajge4LcjaF78A3UuzjLy9AUAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T22:59:50.757130Z"},"content_sha256":"a9fd042eb25203c2ac7e7434dceabf1ceef869ace6ff4a89675761608dfe10b6","schema_version":"1.0","event_id":"sha256:a9fd042eb25203c2ac7e7434dceabf1ceef869ace6ff4a89675761608dfe10b6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J3ESZ5XJDOZIRSTWNXTW6DMKV7/bundle.json","state_url":"https://pith.science/pith/J3ESZ5XJDOZIRSTWNXTW6DMKV7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J3ESZ5XJDOZIRSTWNXTW6DMKV7/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":"2026-08-04T22:59:50Z","links":{"resolver":"https://pith.science/pith/J3ESZ5XJDOZIRSTWNXTW6DMKV7","bundle":"https://pith.science/pith/J3ESZ5XJDOZIRSTWNXTW6DMKV7/bundle.json","state":"https://pith.science/pith/J3ESZ5XJDOZIRSTWNXTW6DMKV7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J3ESZ5XJDOZIRSTWNXTW6DMKV7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:J3ESZ5XJDOZIRSTWNXTW6DMKV7","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":"c3101b92f2d4a8600bbae3cd4045dc74f8cc5111a6f036a11cf293e3a6b0b56d","cross_cats_sorted":["cs.HC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-07-24T21:42:27Z","title_canon_sha256":"722e6ac1840e84ea454386bf02997bdc2f5a53dbc071b18058d592d02ed4a46d"},"schema_version":"1.0","source":{"id":"2507.18820","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.18820","created_at":"2026-07-05T11:42:58Z"},{"alias_kind":"arxiv_version","alias_value":"2507.18820v1","created_at":"2026-07-05T11:42:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.18820","created_at":"2026-07-05T11:42:58Z"},{"alias_kind":"pith_short_12","alias_value":"J3ESZ5XJDOZI","created_at":"2026-07-05T11:42:58Z"},{"alias_kind":"pith_short_16","alias_value":"J3ESZ5XJDOZIRSTW","created_at":"2026-07-05T11:42:58Z"},{"alias_kind":"pith_short_8","alias_value":"J3ESZ5XJ","created_at":"2026-07-05T11:42:58Z"}],"graph_snapshots":[{"event_id":"sha256:a9fd042eb25203c2ac7e7434dceabf1ceef869ace6ff4a89675761608dfe10b6","target":"graph","created_at":"2026-07-05T11:42:58Z","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/2507.18820/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Robot appearance crucially shapes Human-Robot Interaction (HRI) but is typically described via broad categories like anthropomorphic, zoomorphic, or technical. More precise approaches focus almost exclusively on anthropomorphic features, which fail to classify robots across all types, limiting the ability to draw meaningful connections between robot design and its effect on interaction. In response, we present MetaMorph, a comprehensive framework for classifying robot morphology. Using a metamodeling approach, MetaMorph was synthesized from 222 robots in the IEEE Robots Guide, offering a struc","authors_text":"Nima Zargham, Rachel Ringe, Rainer Malaka, Robert Porzel, Robin Nolte","cross_cats":["cs.HC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-07-24T21:42:27Z","title":"MetaMorph -- A Metamodelling Approach For Robot Morphology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.18820","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":"sha256:915c596b39c2c44e8123dd21c0c78903915bdce7e1f287cb684db93db6bcdf6a","target":"record","created_at":"2026-07-05T11:42:58Z","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":"c3101b92f2d4a8600bbae3cd4045dc74f8cc5111a6f036a11cf293e3a6b0b56d","cross_cats_sorted":["cs.HC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-07-24T21:42:27Z","title_canon_sha256":"722e6ac1840e84ea454386bf02997bdc2f5a53dbc071b18058d592d02ed4a46d"},"schema_version":"1.0","source":{"id":"2507.18820","kind":"arxiv","version":1}},"canonical_sha256":"4ec92cf6e91bb288ca766de76f0d8aafc4cc5e226641ce5e2d283bcc7f867113","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ec92cf6e91bb288ca766de76f0d8aafc4cc5e226641ce5e2d283bcc7f867113","first_computed_at":"2026-07-05T11:42:58.891612Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:42:58.891612Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PmOj7aTD220nYdpWirc3OX9zlRqPrupk8zO+sut/JPSHNVBI7wokIwHVPepx27UBhD3QkNj8VjUcfRut+zutCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:42:58.892057Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.18820","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:915c596b39c2c44e8123dd21c0c78903915bdce7e1f287cb684db93db6bcdf6a","sha256:a9fd042eb25203c2ac7e7434dceabf1ceef869ace6ff4a89675761608dfe10b6"],"state_sha256":"13f6fe50828b0b05d1fe40ddf701327c09d5695e5e299c94dab062992b697653"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tPj8WNNHAY054LTKyVJr8nIkUEtqJPvK3UC8MSXUfApnvVSP7w2wK9k89kRJ6MR684wioMru9d57TUNemYoYCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T22:59:50.759791Z","bundle_sha256":"e99e8bad57618d3a03aa0f2e6f6b4c2d3333c06b8d21144fbf6fa61b03c22b15"}}