{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:2DK6O5NHRYFAWEKY4VJW4GJ5GR","short_pith_number":"pith:2DK6O5NH","canonical_record":{"source":{"id":"1410.4734","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2014-10-17T14:26:38Z","cross_cats_sorted":[],"title_canon_sha256":"e2a80e4639fbe2372c3b05e3f81c1a34e6f1ff0e4a574a51bab5412ca46d6930","abstract_canon_sha256":"18561664d0a0ccb5a1048848bcd33d08809b680d48299ccff3407caa251414de"},"schema_version":"1.0"},"canonical_sha256":"d0d5e775a78e0a0b1158e5536e193d345e3e06845331eb35babfcc4de3bfac7f","source":{"kind":"arxiv","id":"1410.4734","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.4734","created_at":"2026-05-18T02:39:54Z"},{"alias_kind":"arxiv_version","alias_value":"1410.4734v1","created_at":"2026-05-18T02:39:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.4734","created_at":"2026-05-18T02:39:54Z"},{"alias_kind":"pith_short_12","alias_value":"2DK6O5NHRYFA","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"2DK6O5NHRYFAWEKY","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"2DK6O5NH","created_at":"2026-05-18T12:28:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:2DK6O5NHRYFAWEKY4VJW4GJ5GR","target":"record","payload":{"canonical_record":{"source":{"id":"1410.4734","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2014-10-17T14:26:38Z","cross_cats_sorted":[],"title_canon_sha256":"e2a80e4639fbe2372c3b05e3f81c1a34e6f1ff0e4a574a51bab5412ca46d6930","abstract_canon_sha256":"18561664d0a0ccb5a1048848bcd33d08809b680d48299ccff3407caa251414de"},"schema_version":"1.0"},"canonical_sha256":"d0d5e775a78e0a0b1158e5536e193d345e3e06845331eb35babfcc4de3bfac7f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:54.838347Z","signature_b64":"fDchd97TEktZqh/WxclNy9qLUTvKJhavu8BoClIGs3UW3wnyHPzDjDw65GuEEwROOPjZe0FOxb9ukRRzP+7zDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d0d5e775a78e0a0b1158e5536e193d345e3e06845331eb35babfcc4de3bfac7f","last_reissued_at":"2026-05-18T02:39:54.837916Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:54.837916Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.4734","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":"2026-05-18T02:39:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K37TF+ylzHTs0UJuwWSdpQKk7bUO06ISqpldYUu5gZZ2g7hbmU2P4QBuHidwev+Widd2Avksazv03KY2HQhlCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T14:13:17.828271Z"},"content_sha256":"6e328401423faaedcab7a25b105faa42fa776d51164d9aa590ae0eecc67706b0","schema_version":"1.0","event_id":"sha256:6e328401423faaedcab7a25b105faa42fa776d51164d9aa590ae0eecc67706b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:2DK6O5NHRYFAWEKY4VJW4GJ5GR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Limits to inertial vibration power harvesting: power-spectral-density approach and its applications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.other","authors_text":"Akshay Ananthakrishnan, Igor Bargatin, Inna Kozinsky","submitted_at":"2014-10-17T14:26:38Z","abstract_excerpt":"Maximum output powers of vibration-driven inertial power harvesters reported in literature exhibit sizable variations, even when normalized by the device weight or their maximum linear size. To help establish a common benchmark, we present a power-spectral-density based approach for estimating the maximum power that can be obtained using a resonant inertial power harvester from a random (aperiodic) vibration source with a given power spectral density. In the simplest case of unlimited harvester size, the maximum obtainable power is simply proportional to the maximum value of the power spectral"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.4734","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":"2026-05-18T02:39:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dCO9PlDqiaF6d1ioDCJIVneafXauRrBhO9Sn53oKd3+JLPfJHoD7ONfpqPLZfpi4nayNEGUYT0ABK2/N4sgjCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T14:13:17.828633Z"},"content_sha256":"312725aa25eee58ed1095f2407d8771d21dff9928a5ae18f35ea8b3ce941e1a1","schema_version":"1.0","event_id":"sha256:312725aa25eee58ed1095f2407d8771d21dff9928a5ae18f35ea8b3ce941e1a1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2DK6O5NHRYFAWEKY4VJW4GJ5GR/bundle.json","state_url":"https://pith.science/pith/2DK6O5NHRYFAWEKY4VJW4GJ5GR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2DK6O5NHRYFAWEKY4VJW4GJ5GR/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":"2026-06-25T14:13:17Z","links":{"resolver":"https://pith.science/pith/2DK6O5NHRYFAWEKY4VJW4GJ5GR","bundle":"https://pith.science/pith/2DK6O5NHRYFAWEKY4VJW4GJ5GR/bundle.json","state":"https://pith.science/pith/2DK6O5NHRYFAWEKY4VJW4GJ5GR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2DK6O5NHRYFAWEKY4VJW4GJ5GR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:2DK6O5NHRYFAWEKY4VJW4GJ5GR","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":"18561664d0a0ccb5a1048848bcd33d08809b680d48299ccff3407caa251414de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2014-10-17T14:26:38Z","title_canon_sha256":"e2a80e4639fbe2372c3b05e3f81c1a34e6f1ff0e4a574a51bab5412ca46d6930"},"schema_version":"1.0","source":{"id":"1410.4734","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.4734","created_at":"2026-05-18T02:39:54Z"},{"alias_kind":"arxiv_version","alias_value":"1410.4734v1","created_at":"2026-05-18T02:39:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.4734","created_at":"2026-05-18T02:39:54Z"},{"alias_kind":"pith_short_12","alias_value":"2DK6O5NHRYFA","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"2DK6O5NHRYFAWEKY","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"2DK6O5NH","created_at":"2026-05-18T12:28:09Z"}],"graph_snapshots":[{"event_id":"sha256:312725aa25eee58ed1095f2407d8771d21dff9928a5ae18f35ea8b3ce941e1a1","target":"graph","created_at":"2026-05-18T02:39:54Z","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":"Maximum output powers of vibration-driven inertial power harvesters reported in literature exhibit sizable variations, even when normalized by the device weight or their maximum linear size. To help establish a common benchmark, we present a power-spectral-density based approach for estimating the maximum power that can be obtained using a resonant inertial power harvester from a random (aperiodic) vibration source with a given power spectral density. In the simplest case of unlimited harvester size, the maximum obtainable power is simply proportional to the maximum value of the power spectral","authors_text":"Akshay Ananthakrishnan, Igor Bargatin, Inna Kozinsky","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2014-10-17T14:26:38Z","title":"Limits to inertial vibration power harvesting: power-spectral-density approach and its applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.4734","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":"sha256:6e328401423faaedcab7a25b105faa42fa776d51164d9aa590ae0eecc67706b0","target":"record","created_at":"2026-05-18T02:39:54Z","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":"18561664d0a0ccb5a1048848bcd33d08809b680d48299ccff3407caa251414de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2014-10-17T14:26:38Z","title_canon_sha256":"e2a80e4639fbe2372c3b05e3f81c1a34e6f1ff0e4a574a51bab5412ca46d6930"},"schema_version":"1.0","source":{"id":"1410.4734","kind":"arxiv","version":1}},"canonical_sha256":"d0d5e775a78e0a0b1158e5536e193d345e3e06845331eb35babfcc4de3bfac7f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d0d5e775a78e0a0b1158e5536e193d345e3e06845331eb35babfcc4de3bfac7f","first_computed_at":"2026-05-18T02:39:54.837916Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:39:54.837916Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fDchd97TEktZqh/WxclNy9qLUTvKJhavu8BoClIGs3UW3wnyHPzDjDw65GuEEwROOPjZe0FOxb9ukRRzP+7zDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:39:54.838347Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.4734","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e328401423faaedcab7a25b105faa42fa776d51164d9aa590ae0eecc67706b0","sha256:312725aa25eee58ed1095f2407d8771d21dff9928a5ae18f35ea8b3ce941e1a1"],"state_sha256":"3b70425e42f51dfc0dd19729fe9640b70684c010a360690a17d31262ae379924"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ABrWRkTK/7XWkVp/iC/K3dohym8uZM85v+rUJ1TXkChyolG7Ru0OurEzlQ7eQH0wxnEzCNlSRSz8NbghPM8aAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T14:13:17.830784Z","bundle_sha256":"036b1fac1b24d67c7eb9c0a1d222382011e137e71badadeac91ebf0440cf68eb"}}