OpenTechnical

OT-2026-000017075

Publication integrity record

Three cup vacuum gripper, three zone face, four 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-2026-000017075) never changes.

Identity and time

Publication numberOT-2026-000017075 · never reused
Internal UUID01a0ae6e-591b-7d6f-b3c0-68a166d04ec2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017075
StatusPUBLIC

Content hashes

Canonical textde634cd09ae2eb9e31a4563667a736c48bff7ad7bb7c47907e62a585e32a1814
Markdown74ae937efa5a907e73898fe7de7903975c80e09bacb053629d99aae9e6eba2c6
PDF
Publication page2ea9dde4fc730844d1fd2cd1e04e5b32288d0a7a32aaf3e519a4448693b74896
Manifesta9bed66226d7116a2fccf35c42ce82aa1b02d716e9fce6d101ef455f73933ffe

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
Signature7qFGArQydxBy7aIfDhtJ4MJemEFXJipfcEtnr0quSQ8u0wrbcMXixiHhMcugbf8rprzWeQ+QDXKyVGMnQeBfDA==
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

2026-09-17T12:03:29.694406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017075
observed 2ea9dde4fc730844d1fd2cd1e04e5b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:29.678146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017075/manifest.json
observed a9bed66226d7116a2fccf35c42ce82aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:29.661373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017075/publication.md
observed 74ae937efa5a907e73898fe7de790397...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:29.644227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017075/publication.txt
observed de634cd09ae2eb9e31a4563667a736c4...
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.