OpenTechnical

OT-2026-000012650

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before 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-2026-000012650) never changes.

Identity and time

Publication numberOT-2026-000012650 · never reused
Internal UUID01a0ae6d-5562-78b3-87e4-2743be00363c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012650
StatusPUBLIC

Content hashes

Canonical text93789adeb9ec6edd67864817aff0e965bbee34c9403b71db1f27a2a5edaecf6c
Markdown137d31ea66a689c9256d385323435517a8158a79dad12a674ef46b76483540e2
PDF
Publication page8b161e21efbc086428c6f4659dadd083a1f0f5aa096e9f0a00d5f907f480f846
Manifest412b926f58f06dfeb5ff5c3438b6cd7026ba739b2e062e357614cc6c65d1f4f7

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
SignatureAISo6DDZvqI7k7NlIfd5PmolGH60riUKrkIqB2WK6rqHC2czTScOf4O/o9sEsxcAAY2RP50sVTHp3m8rjr0PCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:10:17.041161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012650
observed 8b161e21efbc086428c6f4659dadd083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.020639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012650/manifest.json
observed 412b926f58f06dfeb5ff5c3438b6cd70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.998318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012650/publication.md
observed 137d31ea66a689c9256d385323435517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.976989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012650/publication.txt
observed 93789adeb9ec6edd67864817aff0e965...
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.