OpenTechnical

OT-2026-000069311

Publication integrity record

Two cup vacuum gripper, two zone face, six 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-2026-000069311) never changes.

Identity and time

Publication numberOT-2026-000069311 · never reused
Internal UUID01a0ae90-b529-7e99-80fe-bf13eb86c079 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069311
StatusPUBLIC

Content hashes

Canonical text7cdc9c40860f60e0482e643abf6274b6d1eb721c246cc274ccd1b0ad66e91ce9
Markdowned8451cb15fbfc063ba78bbdae0115444e4986b15cbc4ff6d2c522b88be9ece6
PDF
Publication page76e494a959d353a1cb516ff8eb45eb1e27fb3ebd43c7b39e8ffe332ec5ce0826
Manifestd0bd9acbfa078974da56857033ee8f4d049abe19c6938a8717896751d1aa7c73

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
SignatureSXLNlcF/v3EAo19NsQMsHvhHixDu8AD6Wk0Z5CzyKqOUnc51goXNJHfqq/kPHbMtbrXxAvO3EpUciZtZcEsKCQ==
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

2026-09-17T10:30:04.391454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069311
observed 76e494a959d353a1cb516ff8eb45eb1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.371453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069311/manifest.json
observed d0bd9acbfa078974da56857033ee8f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.351435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069311/publication.md
observed ed8451cb15fbfc063ba78bbdae011544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.329320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069311/publication.txt
observed 7cdc9c40860f60e0482e643abf6274b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.969879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069311
observed 76e494a959d353a1cb516ff8eb45eb1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.952965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069311/manifest.json
observed d0bd9acbfa078974da56857033ee8f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.937013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069311/publication.md
observed ed8451cb15fbfc063ba78bbdae011544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.921276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069311/publication.txt
observed 7cdc9c40860f60e0482e643abf6274b6...
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.