OpenTechnical

OT-2026-000012038

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000012038) never changes.

Identity and time

Publication numberOT-2026-000012038 · never reused
Internal UUID01a0ae6d-1943-7291-a770-ad9e1bd43205 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012038
StatusPUBLIC

Content hashes

Canonical texteb7bb50727534f29ce69fe39f652c2a97a26975f6ae68192669deab9e5e3cc61
Markdown344d63d16a5cea8406f15ebd3519a9254a6bb43b9616a7637399f9461e7ce336
PDF
Publication page65e50aae0178fffeaac2ab202e796bedcb1e30074b5f9d863ddb4365c5cab626
Manifest3d56bd7d0d8dcb3af6cba2462e7acc828af46caedee4de842f521242fbbe06c3

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
SignatureSncf0SYqO6QsbJY9M6/bxIyB3OHYnR1+JTiuH8v3y1TEzaSnGEsYqb6hdJ4lVX8RcZMXJSIx17SRoguOI1MBDg==
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

2026-09-17T12:12:54.809499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012038
observed 65e50aae0178fffeaac2ab202e796bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.789273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012038/manifest.json
observed 3d56bd7d0d8dcb3af6cba2462e7acc82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.768188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012038/publication.md
observed 344d63d16a5cea8406f15ebd3519a925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.747966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012038/publication.txt
observed eb7bb50727534f29ce69fe39f652c2a9...
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.