OpenTechnical

OT-2026-000095877

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000095877) never changes.

Identity and time

Publication numberOT-2026-000095877 · never reused
Internal UUID01a0ae9f-fac7-7f24-ac4e-9c907e05a5a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095877
StatusPUBLIC

Content hashes

Canonical textab5e8e6a95cfc077d7076a387fc51079786e4b997543118d856594326b3fd031
Markdown59654263af7692c2370d444b3ed73b97ba89e402495a32086ef4da591727e0fe
PDF
Publication page3e7b23a3385c8b02e852f5dcc0d7e36abb37f18731e521102c63fcc9267ae7fc
Manifest258f7076de350c87f46da0b24f0d1cf84a838ac708933480680ad75e90a09d7f

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
SignatureA5NQCWh+qxC5NJOr2DPzH7j2UWiThoMEKC4njLauvYEjgx/14hoYColbxekWj++5C/csytowu6OxtzQYUxznBg==
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

2026-09-17T09:35:03.707478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095877
observed 3e7b23a3385c8b02e852f5dcc0d7e36a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.687536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095877/manifest.json
observed 258f7076de350c87f46da0b24f0d1cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.671422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095877/publication.md
observed 59654263af7692c2370d444b3ed73b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.653202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095877/publication.txt
observed ab5e8e6a95cfc077d7076a387fc51079...
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.