OpenTechnical

OT-2026-000086456

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000086456) never changes.

Identity and time

Publication numberOT-2026-000086456 · never reused
Internal UUID01a0ae9a-2c97-7caf-9984-ce7242ec6013 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086456
StatusPUBLIC

Content hashes

Canonical text8da81a1f5f958358ab02904e15efe9ef9f8564e9b03fb891cb26160565547081
Markdown590407b22b5243072bec0d533aca8dbf347bacecacbe96ce104ccd7b2f60fab8
PDF
Publication pagef9b5574634261772b9ae18b3da2274f5c59e0a9c5fb17d816679ec0c6c8c8847
Manifest99f6198c1d5beb14969e9c1fe732b82f2aeae8baf2c4987e3c33e73a928ae1bf

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
SignaturewAJXOmGZ8wqfo4QeweVGJHMApO3CMx/4dw+9oA02Fjw9kDcXyK4eDT55ZRExp0bDWVFGIhQXcIZwkAMuyIsnCA==
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

2026-09-17T09:52:15.570527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086456
observed f9b5574634261772b9ae18b3da2274f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.551931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086456/manifest.json
observed 99f6198c1d5beb14969e9c1fe732b82f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.533842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086456/publication.md
observed 590407b22b5243072bec0d533aca8dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.515454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086456/publication.txt
observed 8da81a1f5f958358ab02904e15efe9ef...
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.