OpenTechnical

OT-2026-000066733

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000066733) never changes.

Identity and time

Publication numberOT-2026-000066733 · never reused
Internal UUID01a0ae8e-ce42-7bab-8a44-4f375a03ffe9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066733
StatusPUBLIC

Content hashes

Canonical text55ee046507466ec68c8b3844c95a7f847db470e25a2bfbf672baa590e21354e6
Markdown68abc46664686ea93f07ada4dc0a3626be3367415cc0ddda5f9fb91f268ad82f
PDF
Publication page43d7fd77b3afdfb666e988933f5d3740de724010da791aeef021c32733ebe519
Manifestfd9a8d05fa1dcf856992e5d38d1baf7d9358d321d014fb6a506681e4a64dd3d3

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
Signature535GIBRI4DfrkL7iGQruPAq4YOk7M4c10HaJGFJczXQYKFPK9lp/ByClvlgcz2sFhQRw41+UqeyDYGf4uF+fDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:08.463957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066733
observed 43d7fd77b3afdfb666e988933f5d3740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.446349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066733/manifest.json
observed fd9a8d05fa1dcf856992e5d38d1baf7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.425355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066733/publication.md
observed 68abc46664686ea93f07ada4dc0a3626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.406056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066733/publication.txt
observed 55ee046507466ec68c8b3844c95a7f84...
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.