OpenTechnical

OT-2026-000084546

Publication integrity record

Foam pad 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-2026-000084546) never changes.

Identity and time

Publication numberOT-2026-000084546 · never reused
Internal UUID01a0ae98-e25a-75b6-9813-b7b86c7ecc8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084546
StatusPUBLIC

Content hashes

Canonical texta7c15c3ba23f792822299bd0fbb74cff3336d181b07d36caa5912374f1f33384
Markdownebc6db1974377d0608cdb1f0480b3ffac718ea9d7db67eb59e611f13081c7f3a
PDF
Publication page9852a6134731abef16003e9ed74720030cd996bc7b742825c3d16744c5d72109
Manifest3dd8ab55d410a77e274e9f86d7ee6e5c0ca76e9f0cfb9638775ef01efc9ed557

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
SignatureYZo0cjGIwU8EINqwtblwoIj3RBkGo5I/lp/R1GsuhQHq/l3SfOEREqQvo8zNUlXEXH8ccT8rVyN/kRTmYHIEDw==
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

2026-09-17T09:55:26.166657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084546
observed 9852a6134731abef16003e9ed7472003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.148331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084546/manifest.json
observed 3dd8ab55d410a77e274e9f86d7ee6e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.040539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084546/publication.md
observed ebc6db1974377d0608cdb1f0480b3ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.004064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084546/publication.txt
observed a7c15c3ba23f792822299bd0fbb74cff...
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.