OpenTechnical

OT-2026-000051117

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000051117) never changes.

Identity and time

Publication numberOT-2026-000051117 · never reused
Internal UUID01a0ae82-c7b6-7625-84fe-07a0879bd7fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051117
StatusPUBLIC

Content hashes

Canonical textc8536cec0c9a3814471d375813ef021d8164a6d77edc50c198fa2cea5ae6c0b5
Markdown5d2c40d3ccc63a59fa953ad02a2ace3211647f9c024631063736b93b15c98e7f
PDF
Publication page193bd6cd6d2a76adb5feddeffc24794869be437132e3c9e15c7d58709fa5dbd1
Manifest8fa897f9cbc147befa268b99b7764d47bb75cf92296bb62d717c11ab3bc7c362

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
SignatureM0caoIRXHcW+FIL1OuOdfS6VeWqlut1crRfNEvpKU13T2BiPpSPkWrJHr/VcSWtly9knG7jB681SjnDcfJ1LBw==
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

2026-09-17T11:01:04.052670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051117
observed 193bd6cd6d2a76adb5feddeffc247948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:03.864043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051117/manifest.json
observed 8fa897f9cbc147befa268b99b7764d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:03.845365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051117/publication.md
observed 5d2c40d3ccc63a59fa953ad02a2ace32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:03.823977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051117/publication.txt
observed c8536cec0c9a3814471d375813ef021d...
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.