OpenTechnical

OT-2026-000066909

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000066909) never changes.

Identity and time

Publication numberOT-2026-000066909 · never reused
Internal UUID01a0ae8f-14fd-7b56-afcb-63164b60a277 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066909
StatusPUBLIC

Content hashes

Canonical text6bb4e1615b7eee6021f1fd8dbd4bbd3532b5bc720971f430ae21f68751560174
Markdownc340ba194087e6e8740294bae95c5728848e8afc7d1c45d551512b3fb613eb4f
PDF
Publication page6dccc6d80f7ebaec4bd57fb8aeac6c4d9ba10b34bdfe4b7ad89a65f2a603940c
Manifest7c9e1caab17f3704ac306cb8a4cfb1885e1591365b74c1b5809d676a32186480

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
Signature4pKEvYDFOB48ueidINctGmWOrziZSqmStJYOTZ0K4ZmzCPKn2ZbDgapEdizEC9C9b074xp5DmAd4qq1cxGZ2BA==
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

2026-09-17T10:32:06.882849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066909
observed 6dccc6d80f7ebaec4bd57fb8aeac6c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.866304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066909/manifest.json
observed 7c9e1caab17f3704ac306cb8a4cfb188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.848598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066909/publication.md
observed c340ba194087e6e8740294bae95c5728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.830020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066909/publication.txt
observed 6bb4e1615b7eee6021f1fd8dbd4bbd35...
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.