OpenTechnical

OT-2026-000083455

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, sustained blow-off before set-down, 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-2026-000083455) never changes.

Identity and time

Publication numberOT-2026-000083455 · never reused
Internal UUID01a0ae97-c965-756a-a029-86051ad1fcd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083455
StatusPUBLIC

Content hashes

Canonical text89eda7953863f05901c70e1456d3bc60c8c081480ac113284fadc9c4ab9bf528
Markdown5038952914817d7a71694b43a12f1f204701b80664333b75362774f168bbef1a
PDF
Publication page917a98522ccc21f14855adfae0527e5a9491e792859f4d095523a5f0d221fc08
Manifest78b3aee05728a8b0a40372b52d2eeece768ca366ed17366f07f0c6dcf244c0fd

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
SignatureYINPP8jJZXRLF6/n5ja0qlRSlLqAwZnIn793+Mgz5F10rbhl7NButJfiwWNtLJSH6RIoqHOxGBn443OF4C76Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:52.472615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083455
observed 917a98522ccc21f14855adfae0527e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:52.455030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083455/manifest.json
observed 78b3aee05728a8b0a40372b52d2eeece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:52.438578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083455/publication.md
observed 5038952914817d7a71694b43a12f1f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:52.421650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083455/publication.txt
observed 89eda7953863f05901c70e1456d3bc60...
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.