OpenTechnical

OT-2026-000012799

Publication integrity record

Foam pad vacuum gripper, four zone face, pump 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-2026-000012799) never changes.

Identity and time

Publication numberOT-2026-000012799 · never reused
Internal UUID01a0ae6d-5563-77d4-a84d-5954af87d699 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012799
StatusPUBLIC

Content hashes

Canonical texte2c5f83e0be4bf24e818c1576285319ca10807ed80cdebd32162b01193014925
Markdownb6b7bbb491e70ffade24c2a9f540c5e92e434498b0c67cc214562bfeb719b96d
PDF
Publication page1f52a666538a50a9e6063a5c86ea8cb67427be66727d87d789a298c5beef7404
Manifest6fa86c010f0b58f572142e8e438738abd4c5e68ebb59c19c71e68fb8cb9e9685

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
SignatureeggatN1FwpxHAi02vnYMoNoFUdUsl0OdF9YSJJSn2a75XFAg75xpyO9Q2sGCVc+I+p27ax3dt5ol/A6jf+fvCA==
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

2026-09-17T12:10:31.548557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012799
observed 1f52a666538a50a9e6063a5c86ea8cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.528872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012799/manifest.json
observed 6fa86c010f0b58f572142e8e438738ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.508598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012799/publication.md
observed b6b7bbb491e70ffade24c2a9f540c5e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.488724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012799/publication.txt
observed e2c5f83e0be4bf24e818c1576285319c...
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.