OpenTechnical

OT-2026-000063261

Publication integrity record

Six cup vacuum gripper, six 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-2026-000063261) never changes.

Identity and time

Publication numberOT-2026-000063261 · never reused
Internal UUID01a0ae8c-94ab-7e5a-8808-1409fdd5b65a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063261
StatusPUBLIC

Content hashes

Canonical text0beed4f96e4713614d7fb1aec070692a8c6cb1495cfdd74ed5e58b3e49131636
Markdown379d94b314ee7975341e172b9ecc2b589abe92afe63127bb33c71f6260ca94c6
PDF
Publication pagecc304af7badada25a15bf7ce92971cd3792ee13d626cf28281c5566341e30315
Manifest6f9eb98b252439a8ff3b934ca7f7a63a9a87d83d032e0c65c587d5643f3432a0

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
Signature+hVK81a/6oX/DDQHYCJG19CaZWdAemOokENw06rrsN1kEWLSUwupnaTSgRa7lNX7JxCc5THuLpqEz98NTSliBg==
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

2026-09-17T10:39:08.906990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063261
observed cc304af7badada25a15bf7ce92971cd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.889879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063261/manifest.json
observed 6f9eb98b252439a8ff3b934ca7f7a63a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.872188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063261/publication.md
observed 379d94b314ee7975341e172b9ecc2b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.856007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063261/publication.txt
observed 0beed4f96e4713614d7fb1aec070692a...
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.