OpenTechnical

OT-2026-000034322

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000034322) never changes.

Identity and time

Publication numberOT-2026-000034322 · never reused
Internal UUID01a0ae75-df0e-720a-8a61-778477467e1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034322
StatusPUBLIC

Content hashes

Canonical text515cdbf1305ef9bbd6131d525f8dab1979f2d30023d11c55389d6419a51b60f1
Markdowned7a9ad9165892ac3b99697bdf6a7e894c830f450cdbf9b8a4f368370096c6f9
PDF
Publication page29361dd36173981c16279d754dfd5633ca80d73666fe0c680ab39aa4afea317d
Manifestf8bb15deddc0aa0377bbc4416eb39e9bd39a957a4f4f2f4f414c9df6712c5fc3

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
SignaturedxddT27DkhY8VYGdspKgKkF+Chf8avSKOXYPRoZi2wF+Gi/NQQynpjhSVe/BiHKo4E5Xjvt0cpnCCUOBj71kBA==
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

2026-09-17T11:31:00.977949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034322
observed 29361dd36173981c16279d754dfd5633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.961925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034322/manifest.json
observed f8bb15deddc0aa0377bbc4416eb39e9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.946365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034322/publication.md
observed ed7a9ad9165892ac3b99697bdf6a7e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.929544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034322/publication.txt
observed 515cdbf1305ef9bbd6131d525f8dab19...
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.