OpenTechnical

OT-2026-000080886

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000080886) never changes.

Identity and time

Publication numberOT-2026-000080886 · never reused
Internal UUID01a0ae96-b974-7f6f-85ba-3cd2ce51e3e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080886
StatusPUBLIC

Content hashes

Canonical textd1ae9c82bc391c6eea4a818963f120008854c7c4b67917f1771adce20e4a151b
Markdowncc4a9c7836259321a7b37d7c4b6fd0c2dd14ad04c548c55295dd22d93755916e
PDF
Publication page9b0421c3015d3be390478cf6c0e7f0808e6e72ed2f1af9d895f2ddcbd1e9a9d8
Manifest4539dbff446b90ad855f1f892c835ef147d0931c3dd8d488ad5d3d8e8c6d052d

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
SignatureR7hCP7CPF82M08/ZPYbUMfn4UfWJoa33AVcuFWjr35sPqoqaruZqi/T7xcul6cQtBLSb4WbHOvQV9UBhffx3Aw==
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

2026-09-17T10:02:05.257891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080886
observed 9b0421c3015d3be390478cf6c0e7f080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:05.238060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080886/manifest.json
observed 4539dbff446b90ad855f1f892c835ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:05.217852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080886/publication.md
observed cc4a9c7836259321a7b37d7c4b6fd0c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:05.197335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080886/publication.txt
observed d1ae9c82bc391c6eea4a818963f12000...
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.