OpenTechnical

OT-2026-000081085

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, sustained 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-2026-000081085) never changes.

Identity and time

Publication numberOT-2026-000081085 · never reused
Internal UUID01a0ae96-b976-7415-930f-e10c9e0dbed9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081085
StatusPUBLIC

Content hashes

Canonical text99e5cdb23a1365fe0dd63bcdcf3ba9cda5f1ef0fdbc15b7c6d95be03411502c2
Markdownfb62eafaac5106dc2953dfcddc77c3f82a54b5d78d1212a51d0869376cb63e36
PDF
Publication page8c6d2ee29848e4276a17ef7e8a9a68e2e7532e1cc3fc7777e2f8454b52c8a352
Manifest0be2f1c837a85856cb21dc11633ba641cf5d3bd3b1d8792020e25df641ffbf70

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
SignatureYZBoYnTuh7Me59Yq1cbQe0B9tGdVGMvoojePEZoCbRhDwNBljXvgUOwjEFRAeNowaBT3XVotXeDtak9nBaGaCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:23.264808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081085
observed 8c6d2ee29848e4276a17ef7e8a9a68e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.247819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081085/manifest.json
observed 0be2f1c837a85856cb21dc11633ba641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.229122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081085/publication.md
observed fb62eafaac5106dc2953dfcddc77c3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.212627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081085/publication.txt
observed 99e5cdb23a1365fe0dd63bcdcf3ba9cd...
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.