OpenTechnical

OT-2026-000054814

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000054814) never changes.

Identity and time

Publication numberOT-2026-000054814 · never reused
Internal UUID01a0ae86-1285-7b55-8b47-4dd1b0866f28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054814
StatusPUBLIC

Content hashes

Canonical textc081bb911c57b0d56e259535dcf78cb09c9dc9d87292b1580f39b5fff8c60e72
Markdown42d0e0f2b5dd3652702fa13a9ad78d2d62997ade33a7363ce1402c7793f5333c
PDF
Publication page7879f6345b2d273b8c4e038bfabed7d4dc46a8bf528ac62a16086c20cf0dd444
Manifest40c85b707ffee878aa3c8073a623f2f9eccd76ea29534fb12636b10ca9739ebe

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
SignaturetD7CxQEopXFcnEuIwPwxsffLOs0ZsctyZCket/rm2MEBFTTk7C14smqiN3fCsLKQgpYst8tFCo24RK0KHoKqCA==
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

2026-09-17T10:54:01.179123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054814
observed 7879f6345b2d273b8c4e038bfabed7d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:01.160086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054814/manifest.json
observed 40c85b707ffee878aa3c8073a623f2f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:01.141100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054814/publication.md
observed 42d0e0f2b5dd3652702fa13a9ad78d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:01.122100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054814/publication.txt
observed c081bb911c57b0d56e259535dcf78cb0...
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.