OpenTechnical

OT-2026-000103410

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, pulsed blow-off after 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-2026-000103410) never changes.

Identity and time

Publication numberOT-2026-000103410 · never reused
Internal UUID01a0aea4-e460-7d4c-b652-b26704f8a4de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103410
StatusPUBLIC

Content hashes

Canonical text58a5bf08aa5f05ac88d867cadc43dca3ff474bc323fa5b319b468fbc01b6916b
Markdown63aed1e624aa0596dd416ece7a608b057987fa2c3b82f2292e2a98ec433f3918
PDF
Publication page9a6162a1dc93db6d68263d5f4bbd8c9c95207d49d27021a8288de74b9b86205f
Manifest67325ce81ee03133f78dcb33f89afee0b6357ee01779600c7d24fc260058e63a

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
SignaturerHrqH6WUh96tDDHu+uFwPdXdYZ5ETekDwJUKfv9DnDPKauf24MWnBOGpW9rxct4kj0mGE64xMm03CQR9uX+BCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:09.402327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103410
observed 9a6162a1dc93db6d68263d5f4bbd8c9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.384624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103410/manifest.json
observed 67325ce81ee03133f78dcb33f89afee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.367142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103410/publication.md
observed 63aed1e624aa0596dd416ece7a608b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.349646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103410/publication.txt
observed 58a5bf08aa5f05ac88d867cadc43dca3...
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.