OpenTechnical

OT-2026-000067151

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000067151) never changes.

Identity and time

Publication numberOT-2026-000067151 · never reused
Internal UUID01a0ae8f-14ff-781c-9b9e-1df1e5567580 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067151
StatusPUBLIC

Content hashes

Canonical text938ae1ac2a5f29ae0c560b845706181e7e9549a70a168b63311459d28ae2ed8e
Markdowncf5109a62fc04897397c3f09214f802eb154d3e78586c0d93495afcf088ee426
PDF
Publication page0eb08b7edc4fd35cb15b6ebfa8b578c74b9607cda5820e2090781630eb651c81
Manifest8764d818c9dd9c8ba36a4a03b62964893d96d2a6ec33f55a5dc792a0e5969bcc

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
SignatureyADi3Sws1PiEjwWIZXXTyeJYCRz0o65O6p4v9nn89JAYy1weL/as23ZnieWi7O8wbKtXKyzvqutQt7WMa+U4Ag==
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

2026-09-17T10:32:25.842666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067151
observed 0eb08b7edc4fd35cb15b6ebfa8b578c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:25.824167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067151/manifest.json
observed 8764d818c9dd9c8ba36a4a03b6296489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:25.805597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067151/publication.md
observed cf5109a62fc04897397c3f09214f802e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:25.786927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067151/publication.txt
observed 938ae1ac2a5f29ae0c560b845706181e...
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.