OpenTechnical

OT-2026-000032311

Publication integrity record

Four cup vacuum gripper, four zone face, four 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-2026-000032311) never changes.

Identity and time

Publication numberOT-2026-000032311 · never reused
Internal UUID01a0ae75-106d-76ac-8e5e-a86b73708f4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032311
StatusPUBLIC

Content hashes

Canonical text224f1dcb4554f3c104fd9f0ff11c77b3053cdf89d5c2304a197a44faf94245f8
Markdowna1d8a1e9f021c72c18b61662494ca98002382eab557c98af41364e59149182dc
PDF
Publication page84f7208206dd1fbb89773778c3cf662ff55c903bd6f7b7a30434bc192dab16ad
Manifest7886935d298d81f5c124742696252199bb666a42c6f787b668670bb0a1be3e87

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
SignaturevQVA0GyxJOyhdtxuhMXl/puNWfmZ8GC+IRTXebo5VvLG+1pMiqVcHrgjiNMN35fHz4jevIMaE49uXhQBj816Bw==
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

2026-09-17T11:33:08.733139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032311
observed 84f7208206dd1fbb89773778c3cf662f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.714571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032311/manifest.json
observed 7886935d298d81f5c124742696252199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.696763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032311/publication.md
observed a1d8a1e9f021c72c18b61662494ca980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.674482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032311/publication.txt
observed 224f1dcb4554f3c104fd9f0ff11c77b3...
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.