OpenTechnical

OT-2026-000031406

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three 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-2026-000031406) never changes.

Identity and time

Publication numberOT-2026-000031406 · never reused
Internal UUID01a0ae74-87ad-7137-91aa-fd6a992a93ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031406
StatusPUBLIC

Content hashes

Canonical textf9eb600dc8e4a6bb8f4311ce48495cf42733c735531990363d95f0a3bb8a1754
Markdowne4653383ed681a7322bd78bd4d2a4fc9792876aa0d32a9fcec8ae72ee5a59ef4
PDF
Publication page3792536aa8b725b1b41560b80673b882e38c01250dc053541b6b070bf19af7f2
Manifest74ec3f9df8a4a4ff9b404678aacb110f855d6308995df50d07989202d0e289db

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
SignatureQhdgPY2rtrRqdamwsURF96MzUQHlyV9ueqfitYX8lt0izOZrB4lq/UG5yxUqWNgkUFnor0rpKhsCAb8vRxrvAQ==
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

2026-09-17T11:36:07.220202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031406
observed 3792536aa8b725b1b41560b80673b882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:07.203518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031406/manifest.json
observed 74ec3f9df8a4a4ff9b404678aacb110f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:07.186233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031406/publication.md
observed e4653383ed681a7322bd78bd4d2a4fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:07.168420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031406/publication.txt
observed f9eb600dc8e4a6bb8f4311ce48495cf4...
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.