OpenTechnical

OT-2026-000001393

Publication integrity record

Automated mechanical gripper with universal gripping

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-2026-000001393) never changes.

Identity and time

Publication numberOT-2026-000001393 · never reused
Internal UUID01a0a675-cfeb-76e5-8a27-a5fb3135b0ea · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:05:33.931725Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001393
StatusPUBLIC

Content hashes

Canonical textb3f9e443480d4530e64be6c28c2cf42ea86a499bcc0c65c5e75bf9ad5b60d7c9
Markdown9c72d13961cd991035f21a89ee6d6fd8c066a0c915b54a8a595ad6fa3b57edd9
PDF
Publication pagebbcb4eee2a9f845dde00a46f1fada674209fc0c58ab78099d89adf35cfae993a
Manifest8105b046888084cf42e6e5b116a6f3629f8841d3b30812c7efbf944d9bfe1e41

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
Signature7MyG+Osrq3JGMfoHpLhMjlbJc40rxqKtMqNCqdCxsydwZhp/Hl4OekXU/y0dWRt+Rn2RVP96WbWvZdeWdL6qAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-15T20:10:21.472728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001393
observed bbcb4eee2a9f845dde00a46f1fada674...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:21.315602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001393/manifest.json
observed 8105b046888084cf42e6e5b116a6f362...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:21.302563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001393/publication.txt
observed b3f9e443480d4530e64be6c28c2cf42e...
fetched by instance-3.rotem.ai from 127.0.0.1, 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