OpenTechnical

OT-2026-000007287

Publication integrity record

Four finger mechanical gripper, ejector fed, contact triggered on the face, stripped from the face

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-2026-000007287) never changes.

Identity and time

Publication numberOT-2026-000007287 · never reused
Internal UUID01a0a979-6179-7ccb-a9a5-48d0a9a3f28c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:08:19.451684Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007287
StatusPUBLIC

Content hashes

Canonical textf63c32e3a29cabf2b1b87a8f11f6109f19c6ed5d46f10e937fb60ff49a303e76
Markdown13bcbaea12b44e75ab49778e2bea4f851fc8c58b2091b51861f157ee0cbab234
PDF
Publication page00f55ec6466bc34d3afccd539448534b1ddce62379538c4e15e10b4f2f6bd019
Manifest643111d203a2184b2ffdc0bb6ce085ad9bf8d8ec573a3ad4dbe8f5146e772c81

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
SignaturepK/naUmOEmzomlkTorIWPjj0b/BO4IRqEusquM+BpXI2EebvezZR8TMY8pOsqxNa4XyNS8iM3MyZwALVw3LfBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:07.679176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007287
observed 00f55ec6466bc34d3afccd539448534b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:07.665348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007287/manifest.json
observed 643111d203a2184b2ffdc0bb6ce085ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:07.654489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007287/publication.md
observed 13bcbaea12b44e75ab49778e2bea4f85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:07.642605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007287/publication.txt
observed f63c32e3a29cabf2b1b87a8f11f6109f...
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

Custody packagePending Custody packages are produced weekly.