OpenTechnical

OT-2026-000069140

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069140) never changes.

Identity and time

Publication numberOT-2026-000069140 · never reused
Internal UUID01a0ae90-6dcf-772e-8d96-573563415db5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069140
StatusPUBLIC

Content hashes

Canonical text30d64b2156d6ee430c27bc6e80d26e3d6e64641999817064b921110569a798f3
Markdown7a70177f6bba74647f65149df9a176e708122d45e6eeb4f37fb5738e7e74982a
PDF
Publication pageccf049bcfb236785bedc64b0de81c4b920a13c360e9a5a54b69138c6360afc85
Manifesta69dd59aee413b8c30305ace0a12052cb645068a9bcf83ae6f17d5f63c5f9a79

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
SignatureEsPejbbBcaO0Esy1xs+vh6btocowSAcSvjCf+DQWb5Gdlc8y9XOM8XxD+OeOkjkNJqWR6PEt2BQzFLoEGam/Cw==
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

2026-09-17T10:29:01.455068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069140
observed ccf049bcfb236785bedc64b0de81c4b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.436789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069140/manifest.json
observed a69dd59aee413b8c30305ace0a12052c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.418058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069140/publication.md
observed 7a70177f6bba74647f65149df9a176e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.400832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069140/publication.txt
observed 30d64b2156d6ee430c27bc6e80d26e3d...
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.