OpenTechnical

OT-2026-000015001

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000015001) never changes.

Identity and time

Publication numberOT-2026-000015001 · never reused
Internal UUID01a0ae6d-d096-7c1f-80df-ffbba548ec83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015001
StatusPUBLIC

Content hashes

Canonical textf29b718cdd7296a732a89f74d34c80563ab86050434ee2f9e0897a5fdcc299a9
Markdowndf4fd3b05d398dbb8a3a86f7c5df186535efa79e749d7bb42f415441944e8f8d
PDF
Publication pageef9fec1b33d888d5a06a44a60c1d55c26fbb8ab0c7651fee086675115681d618
Manifest03b244d972b78284cb2dd284e7ddf3933d8ddac28556ac95dbfac5357d327d56

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
Signaturedc5JtlYeLiN0cFtv1Y02TSiKqmhQBr0XAtf9Oa1SGwGlq7beE8B0Qo4Nupll/CcDO8xbsFV5ptWPdcGtEhu2AA==
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

2026-09-17T12:06:58.060262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015001
observed ef9fec1b33d888d5a06a44a60c1d55c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.040209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015001/manifest.json
observed 03b244d972b78284cb2dd284e7ddf393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.017918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015001/publication.md
observed df4fd3b05d398dbb8a3a86f7c5df1865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:57.997183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015001/publication.txt
observed f29b718cdd7296a732a89f74d34c8056...
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.