OpenTechnical

OT-2026-000054233

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000054233) never changes.

Identity and time

Publication numberOT-2026-000054233 · never reused
Internal UUID01a0ae85-b3a9-7732-9af6-10dc65a07034 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054233
StatusPUBLIC

Content hashes

Canonical text7ae42b5a623f92b9cc000244ef59b01b946ac53aea55f89d6e76290e3213ee3c
Markdown347103a783f049504aacb8d5869b5b042da3acca3737f3630fbf9a93f2c24850
PDF
Publication pagece96bbc44cdcec640f878f425f30cdf15ebf20a3430f85bc128fc4aeca1997bb
Manifest2f130477e8bb0fb6a2a076865f17e61acad32304f48886849f78d3e61bd126dd

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
SignatureSNP1ml7/LvvWOcg84a4TUaqxjU9NVftirfDHdM4zAiMswUjX3C8cLGEcaJH2q23ue9bf7MvsSEwHqErs4D/MBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:43.076098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054233
observed ce96bbc44cdcec640f878f425f30cdf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:43.054164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054233/manifest.json
observed 2f130477e8bb0fb6a2a076865f17e61a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:43.018175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054233/publication.md
observed 347103a783f049504aacb8d5869b5b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:42.988971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054233/publication.txt
observed 7ae42b5a623f92b9cc000244ef59b01b...
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.