OpenTechnical

OT-2026-000022327

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000022327) never changes.

Identity and time

Publication numberOT-2026-000022327 · never reused
Internal UUID01a0ae6f-f4fd-7a4c-a636-84e1b8058061 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022327
StatusPUBLIC

Content hashes

Canonical texte4b7cd4e9bcba86d08a2fea4c463d65c0da5f707b695e428a461bbdca23815ae
Markdown15ba61154b7bca2c8b3380c7bf737c2015b97dc7cd6134bdc8855b1cd07ca995
PDF
Publication page5db2d6684545e965f4ecf41db3acc7c2809082495716e1b89388b1faae8f1069
Manifest7b04a3bf17749efcdd3daee0eaeeba4b0831fe9e8f87c66808d1992843130ed2

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
Signaturecl426N/PTEZcW9tuznyVdA0s7N0nS5kKDn4HV/hfpXLel2xmuTM+EUD3IOk2EVr0xzu/sG12Cm+nqhXVLSYSBA==
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

2026-09-17T11:53:41.243792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022327
observed 5db2d6684545e965f4ecf41db3acc7c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:41.225000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022327/manifest.json
observed 7b04a3bf17749efcdd3daee0eaeeba4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:41.207737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022327/publication.md
observed 15ba61154b7bca2c8b3380c7bf737c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:41.189235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022327/publication.txt
observed e4b7cd4e9bcba86d08a2fea4c463d65c...
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.