OpenTechnical

OT-2026-000077441

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000077441) never changes.

Identity and time

Publication numberOT-2026-000077441 · never reused
Internal UUID01a0ae94-f509-726d-83b9-cdab13cfa0eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077441
StatusPUBLIC

Content hashes

Canonical text4f692b6d269dcf9bc1c1b9dc3304f8441d4a7ab9ec942c2e3021097bc6ec8be8
Markdown3a6e73e87e18a06c2ed9e94a73d02edbe5f619edf567009b40e5096ee5abfede
PDF
Publication paged1264c17fe66e1885a1c184bf854a102d53166be8aeb0b8f04ddf3b64a565cf8
Manifest10a03e4db8f91ceeb849dc9133455e40c89b1586aec845b2f4a44f2cb309a2b6

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
SignatureS0ALaFjeipAXPcR1T+ivFXkDmnViAwo4u2v+38S4xS0VD8SZM5MSZAPkWdQMNBf/wADRqI56S4LVZ8/NYYZcCg==
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

2026-09-17T10:09:07.511025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077441
observed d1264c17fe66e1885a1c184bf854a102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:07.491688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077441/manifest.json
observed 10a03e4db8f91ceeb849dc9133455e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:07.470026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077441/publication.md
observed 3a6e73e87e18a06c2ed9e94a73d02edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:07.452374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077441/publication.txt
observed 4f692b6d269dcf9bc1c1b9dc3304f844...
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.