OpenTechnical

OT-2026-000069767

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000069767) never changes.

Identity and time

Publication numberOT-2026-000069767 · never reused
Internal UUID01a0ae91-185f-76bd-9167-42a0ba0a417e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069767
StatusPUBLIC

Content hashes

Canonical text0efcc7d3aae22b62139b3fd169d188a6b7331e1de4229257f884d8a218b5b84e
Markdown4ad482dee36d476ac257d714990ae14317b9cb66b121817b7979a3a7f5173db6
PDF
Publication page8c2efbd5ac0752cf9f4e7ffda849be9dfdd0c71a1c42b7f74829573a12fb0f4e
Manifest71854893cfc6653359c0293b412e2f4fa944ff6259af6955408602f060bc1010

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
SignatureBOEk3QXhctJJgsmq7T+ozu7hHfy/N4LWSENFbmfwipNXAuJOzBmuDnBocI9refvedzBStQ92s81AOFL4j1cqCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:35.473591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069767
observed 8c2efbd5ac0752cf9f4e7ffda849be9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:35.456706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069767/manifest.json
observed 71854893cfc6653359c0293b412e2f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:35.439109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069767/publication.md
observed 4ad482dee36d476ac257d714990ae143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:35.422374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069767/publication.txt
observed 0efcc7d3aae22b62139b3fd169d188a6...
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.