OpenTechnical

OT-2026-000081425

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, sustained 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-2026-000081425) never changes.

Identity and time

Publication numberOT-2026-000081425 · never reused
Internal UUID01a0ae96-f375-7da3-bcc8-c8816926f89c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081425
StatusPUBLIC

Content hashes

Canonical texte66169e15c92e60f7530c5467b87ce12cef755634801b84a4799de69800839a5
Markdown27967dd9f18e7ebf52ec0f7ed863a2e84e410fc1ba8b6c048faf0aa7ff88ba28
PDF
Publication page0577afc0cf9db8cefe30ec5d367f07bb9165ad2197e455694fcbcd0a0ddbe769
Manifestd2e733e39a7d8fb6361c78885db06d096da42d695e34c45e7943e508d664163a

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
SignatureLEsizJ/mE0lsqwRq7TQoI4UJccpJUWvwCzfhtYxudyYCCO2xm5W97JwqGMalbaOJDEGp6/+aKMd3PkJRyJoXAw==
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

2026-09-17T10:01:34.799647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081425
observed 0577afc0cf9db8cefe30ec5d367f07bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.781357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081425/manifest.json
observed d2e733e39a7d8fb6361c78885db06d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.762019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081425/publication.md
observed 27967dd9f18e7ebf52ec0f7ed863a2e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.745242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081425/publication.txt
observed e66169e15c92e60f7530c5467b87ce12...
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.