OpenTechnical

OT-2026-000016397

Publication integrity record

Two cup vacuum gripper, 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-2026-000016397) never changes.

Identity and time

Publication numberOT-2026-000016397 · never reused
Internal UUID01a0ae6e-2d12-77a8-a139-42ede30961ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016397
StatusPUBLIC

Content hashes

Canonical textfe8a0b2d22742dc15b2f0cc60b56d24605434923303d9296e738e486697c7fd3
Markdowna66e588f53458497267ceadaae93bacc087815f331504aeaf84b982993ed72ed
PDF
Publication page0ed108cfec5eb331d3844dddbdf43cc1ef631579786f9c0dd45983cb98b76ad4
Manifest2ac9c68daf2bf27d82143230047820becf2de3dd6cd9c92f974599c095df674c

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
SignatureME923dbi0M4HRBeeagFRzqruDY78IUu0r6cpxkh/QBSedK0XIPyy+OL2puVmtEPQxkJ7tv2E4jaOiQza/cE9CQ==
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

2026-09-17T12:04:28.824533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016397
observed 0ed108cfec5eb331d3844dddbdf43cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.807121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016397/manifest.json
observed 2ac9c68daf2bf27d82143230047820be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.787623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016397/publication.md
observed a66e588f53458497267ceadaae93bacc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.769412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016397/publication.txt
observed fe8a0b2d22742dc15b2f0cc60b56d246...
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.