OpenTechnical

OT-2026-000011614

Publication integrity record

Three finger pneumatic gripper, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000011614) never changes.

Identity and time

Publication numberOT-2026-000011614 · never reused
Internal UUID01a0ae6d-193f-72d6-9c98-3d63a0e1b2c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011614
StatusPUBLIC

Content hashes

Canonical text3a5b9208d005232f0c98dcae2edd9c24c22f8ccffdb9b3af0f97b2751b560e4c
Markdowne2e52c4fa7f9c30a444341e713695afa70a9e963221b42f742edb085facd28e5
PDF
Publication paged86bb4a30c89c7473df9fc5c00258bbce32597b31e142203e81f0f198a2c2446
Manifesta7e1920f6bbb71bd9aad310d47ca0d0effb44541ad67a3e0f1ab4880ccede0aa

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturejw9U+YF2AMpb6dCGrCRz4H3Y66k1jlFy6SMt7dIqj3vmWkwDg7VVFrSN7JzShj6iHXL/r1NCaGPk2nKhHUvcBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:10.173746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011614
observed d86bb4a30c89c7473df9fc5c00258bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.155466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011614/manifest.json
observed a7e1920f6bbb71bd9aad310d47ca0d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.137310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011614/publication.md
observed e2e52c4fa7f9c30a444341e713695afa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.119619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011614/publication.txt
observed 3a5b9208d005232f0c98dcae2edd9c24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent