OpenTechnical

OT-2026-000017387

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, 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-2026-000017387) never changes.

Identity and time

Publication numberOT-2026-000017387 · never reused
Internal UUID01a0ae6e-76c9-78b5-9f07-b19f09506639 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017387
StatusPUBLIC

Content hashes

Canonical text2fc77c577be5addd48feaf646e43ce6f445b6c906ff9e0070ebcafad34ab2ad9
Markdown294536e2cbfa49bd710ab324daee50825aa5508335227673beb37762a6712a13
PDF
Publication pageda433c5b820863d2df377a2a2533377995a9c65f4f9d4ef8b1563cdbec519d7d
Manifestcbfde00dda18f105b546f5f82ed8b7387c7824f52fd488757542f589996b147b

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
SignatureaADUkpaY3ES1wBJgUOz9wGORG1UAVb94oaluR0WsqWC/gO64fVrqnh/0086uos5cfni2NbxQ00waPldoiJQWCw==
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

2026-09-17T12:02:30.640596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017387
observed da433c5b820863d2df377a2a25333779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:30.622027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017387/manifest.json
observed cbfde00dda18f105b546f5f82ed8b738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:30.602870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017387/publication.md
observed 294536e2cbfa49bd710ab324daee5082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:30.586507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017387/publication.txt
observed 2fc77c577be5addd48feaf646e43ce6f...
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.