OpenTechnical

OT-2026-000060307

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000060307) never changes.

Identity and time

Publication numberOT-2026-000060307 · never reused
Internal UUID01a0ae8a-5a74-7eca-97da-3abe3bb9643c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060307
StatusPUBLIC

Content hashes

Canonical text497a17de360e18b44119f0db71c0111f3321628c60dfc07da2d900d17ea43e6f
Markdown351f39f9d4d2226a39e79a31c3ce043245487b2f64cc9cf60f65ee9c22c3e5db
PDF
Publication page5a2c63398f0bfbc61d925231fd2ce312427dd5e3a476c85be3ca4f1c7409cfcb
Manifest68feaa2b8e7cf03074193021a88cb09d40fc0bbd6aadb05e878ceb409c8fbd29

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
SignaturexLFiS945gaBTOp/t+uhTXjhziCX0ZsqCMu0gqA5f5e2Hda7ll4HERLLIxXS2bbFo+SIWViprdRD/qm5zZpr7AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:00.911694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060307
observed 5a2c63398f0bfbc61d925231fd2ce312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:00.889808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060307/manifest.json
observed 68feaa2b8e7cf03074193021a88cb09d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:00.871589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060307/publication.md
observed 351f39f9d4d2226a39e79a31c3ce0432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:00.853966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060307/publication.txt
observed 497a17de360e18b44119f0db71c0111f...
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.