OpenTechnical

OT-2026-000012528

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000012528) never changes.

Identity and time

Publication numberOT-2026-000012528 · never reused
Internal UUID01a0ae6d-39f7-7b29-9fa2-b069f29792e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012528
StatusPUBLIC

Content hashes

Canonical text3ce619af04513bb8db07c747077c21c95e837e748b0c7d7526b3afda2dbb9e85
Markdownc19bcc2b06fdc828665cbabe161f3305dc67bd9dd3c37ce476ab41eb90b90686
PDF
Publication pageb5da2bb9868bea20c06efe505b25b0eddad4b0fa0affd2db0b1d4d96805716fe
Manifest85ad50c34b8aa50509d42837b7c2168963ec5e53e4da1774fc975d04fd68d12c

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
SignaturevuenVQhvcermJZfa+ywssguaqRrnaFuwtPv0TiiyIYljazTnU5+KzSeREtQ0mOs5I3L+mSgs1oAqwqC5Vu9TDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:03.157106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012528
observed b5da2bb9868bea20c06efe505b25b0ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:03.138286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012528/manifest.json
observed 85ad50c34b8aa50509d42837b7c21689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:03.119852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012528/publication.md
observed c19bcc2b06fdc828665cbabe161f3305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:03.100378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012528/publication.txt
observed 3ce619af04513bb8db07c747077c21c9...
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.