OpenTechnical

OT-2026-000060458

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, vented after set-down

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-2026-000060458) never changes.

Identity and time

Publication numberOT-2026-000060458 · never reused
Internal UUID01a0ae8a-b7cb-7d85-818d-12389a000565 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060458
StatusPUBLIC

Content hashes

Canonical textc3ba8d373db00b509c4c6b7d56f22bb579fd1f29d7bfb69d2c6fbda720b5b971
Markdowna0941ce112ff1335332ad499880491e8ea809d51149ff608d0f50a7fdac6af58
PDF
Publication page0156d91a0b4015d29961069ecc9b82ea6bcb05c7c66f6cce4804536ba4021d5f
Manifestfd84959e8342b502a5e6b6d2796a6a954b3408cc6c08fdff08b58cbe675ff2fe

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
SignatureQMTaGTHdqr+Z9+TdvD7sKk9jdhpB49MPhoMnRrS9nQB1Hi4JLs6J7Xg/aezUtU8CJfPtzFfVOhGyDduGR2aKDA==
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...

Independent retrieval

2026-09-17T10:42:56.584848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060458
observed 0156d91a0b4015d29961069ecc9b82ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:56.567319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060458/manifest.json
observed fd84959e8342b502a5e6b6d2796a6a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:56.548974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060458/publication.md
observed a0941ce112ff1335332ad499880491e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:56.529185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060458/publication.txt
observed c3ba8d373db00b509c4c6b7d56f22bb5...
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.