OpenTechnical

OT-2026-000077295

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000077295) never changes.

Identity and time

Publication numberOT-2026-000077295 · never reused
Internal UUID01a0ae94-f508-7684-b86b-fb3e810cce5d · 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-2026-000077295
StatusPUBLIC

Content hashes

Canonical text7321574dfe656e5e90587423b0d8bcd4f0536a678524a79c3dd2b77559a9d070
Markdownb3411ac873d44396f3ae91a78e7f4eeb2f4f04126be25dbd0bb39fb979af70ae
PDF
Publication page212e9fb6769487c63d55eb18263170c778568918d738a1a7f9ce8305b54f9f14
Manifest27c64cab706269438b7874560d20619c2d76e2f9eb2df6199f060ad1d7b5a6f5

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
SignatureLxL9Fi9XXlNjyNYlCmVNrDZPykjRvLcqnRj1do/t7M0H/5M6FqC3oWLbCQlb+9Ib99GtM7+G2RB6BduIIdhYCg==
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

2026-09-17T10:08:55.851220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077295
observed 212e9fb6769487c63d55eb18263170c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:55.831828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077295/manifest.json
observed 27c64cab706269438b7874560d20619c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:55.811277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077295/publication.md
observed b3411ac873d44396f3ae91a78e7f4eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:55.791282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077295/publication.txt
observed 7321574dfe656e5e90587423b0d8bcd4...
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.