OpenTechnical

OT-2026-000016154

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000016154) never changes.

Identity and time

Publication numberOT-2026-000016154 · never reused
Internal UUID01a0ae6e-2d10-796b-8c7d-3d9e1397b5d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016154
StatusPUBLIC

Content hashes

Canonical text512677c9b7736e81210318da83f26434c0bf0988c64049adbbefea7ccede093b
Markdown60e98be5c39f56a9470dbed2c1267b5137a46477fcadfc1bc4c16f1147eaf1c2
PDF
Publication page552c5e5c0f8db4f2b3e142bb5e6fee558a18cf6c3d8e68a3247002f0c8cdd13b
Manifest5f96f4820f887eb9e454a342a3f3e7bc76ea5ae7708973be673954b8b6f1d4f8

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
SignatureorqlhNNB5Mgg0NhnxLycplNaQJHafkJPaqOkmwW1/utNa7c5O+wqiGoEhvWzTrwJUgJ0EyRAr8pzfPrwk7MVCg==
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

2026-09-17T12:03:35.711127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016154
observed 552c5e5c0f8db4f2b3e142bb5e6fee55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.691369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016154/manifest.json
observed 5f96f4820f887eb9e454a342a3f3e7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.669159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016154/publication.md
observed 60e98be5c39f56a9470dbed2c1267b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.644361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016154/publication.txt
observed 512677c9b7736e81210318da83f26434...
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.