OpenTechnical

OT-2026-000025838

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000025838) never changes.

Identity and time

Publication numberOT-2026-000025838 · never reused
Internal UUID01a0ae71-a83e-7917-baf8-5345bbc97916 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025838
StatusPUBLIC

Content hashes

Canonical text38021d5441966776432b43b62d6bcf3a2fc16d58d260eca0a8562f9a0be79a71
Markdownd675a0a48e902771b8f16b8ee4e539e5c307341122e514b502593331804e0766
PDF
Publication page3a3c6a97a943f35ea80c92bad58846a4cf9418168efb93627c1ea502da2c08a3
Manifestd88a354f3f6d19cea6994cdacbac214455c55c6dc8d709e9705725ba0694efd6

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
Signature5pYbBPEHnLfLLe+1Yb7ccnSenVlC/dqk1GN7N1pI9M4evWeF6gDy9vW164zrlyVOjEygd2W52nT0ZdGdToxtDw==
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

2026-09-17T11:46:03.885476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025838
observed 3a3c6a97a943f35ea80c92bad58846a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.866580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025838/manifest.json
observed d88a354f3f6d19cea6994cdacbac2144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.848814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025838/publication.md
observed d675a0a48e902771b8f16b8ee4e539e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.831367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025838/publication.txt
observed 38021d5441966776432b43b62d6bcf3a...
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.