OpenTechnical

OT-2026-000094558

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000094558) never changes.

Identity and time

Publication numberOT-2026-000094558 · never reused
Internal UUID01a0ae9e-f4e9-735a-947b-04c3eb684b1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:28.117587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094558
StatusPUBLIC

Content hashes

Canonical text582099ef8890c87d6b921a0a9f31263bc7c9c3db8f6e58d5621b134674213787
Markdown4bb5755083260797f64de9ab947e3931ed47ad8b82f9c12ea8a3e59b44fef4c9
PDF
Publication page2f831b9f5cab121a776a0b9fb8716c6ea017c1c99b68b8710c7872f003806fcb
Manifest48c9695ffd891c33521f1e609d16cfc0f89fd529b64b6d85b1cd8b8b42dfbe26

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
SignatureIw+fOj2dlofYocxRNBVcV6vMUCrsjFDnRGtccIguPlPAh8OSIkDYwPIGh1C/wU1fez6nTzIS+Bfkk3IPqbiXAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:00.507089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094558
observed 2f831b9f5cab121a776a0b9fb8716c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:00.486962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094558/manifest.json
observed 48c9695ffd891c33521f1e609d16cfc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:00.469931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094558/publication.md
observed 4bb5755083260797f64de9ab947e3931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:00.450291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094558/publication.txt
observed 582099ef8890c87d6b921a0a9f31263b...
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.