OpenTechnical

OT-2026-000069429

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000069429) never changes.

Identity and time

Publication numberOT-2026-000069429 · never reused
Internal UUID01a0ae90-b52a-7623-ad70-0c3d45f60645 · 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-2026-000069429
StatusPUBLIC

Content hashes

Canonical text624b2de5bb38b2c81743638b97d488fa78fbcea3d3c565edd85ece37c600660e
Markdown867b82088eab24325f3517bed5416b5637812bf783db2ae8679c1185d037517c
PDF
Publication page4aaa2763b104074cd80815287a8e60651195d161e778cbbef5f8cdd674603e7b
Manifestcf1005870211c64922da5afe2c72038d7d06393e42f1090812eba6522656976f

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
SignaturejTsoQ8qjBR5/0nmP0hz7VFtKfajgKMXjlgur9pvLhRPM2QE76QCRCvqI1RKli/Ag13FySpg5ev9FBTKZ4ueTDw==
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

2026-09-17T10:30:22.386908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069429
observed 4aaa2763b104074cd80815287a8e6065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.367428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069429/manifest.json
observed cf1005870211c64922da5afe2c72038d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.347498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069429/publication.md
observed 867b82088eab24325f3517bed5416b56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.326262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069429/publication.txt
observed 624b2de5bb38b2c81743638b97d488fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.452026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069429
observed 4aaa2763b104074cd80815287a8e6065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.434946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069429/manifest.json
observed cf1005870211c64922da5afe2c72038d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.417796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069429/publication.md
observed 867b82088eab24325f3517bed5416b56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.401379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069429/publication.txt
observed 624b2de5bb38b2c81743638b97d488fa...
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.