OpenTechnical

OT-2026-000022965

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000022965) never changes.

Identity and time

Publication numberOT-2026-000022965 · never reused
Internal UUID01a0ae70-46ec-74a3-bf71-312b0e3c80e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022965
StatusPUBLIC

Content hashes

Canonical textc43721154d781d79202afae8dd303b501e9f5abe77bba4f78f832ecbc5bb8cc5
Markdown388d4fa45897df64ea97f439132c4d561542ecccb86b86ae0703c24eede8674d
PDF
Publication pagead8ced287ade0cb57373dea36cc9fce1d9ddde3f922e48259083c7cfc45526ab
Manifest54eacb3923118ca3a61021aa127cb09d95a8be7f4b7318c9ab727cb07f37e2bc

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
SignatureqL4papuIU8Js8Whhmk3eX+WG2Io+QTdNTJKxu5OGIzz/xJfmhk/sRLOox23jYUyjjkyPHV9C7McY+JtHlZ7XBg==
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

2026-09-17T11:52:33.097551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022965
observed ad8ced287ade0cb57373dea36cc9fce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.081544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022965/manifest.json
observed 54eacb3923118ca3a61021aa127cb09d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.064437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022965/publication.md
observed 388d4fa45897df64ea97f439132c4d56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.044569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022965/publication.txt
observed c43721154d781d79202afae8dd303b50...
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.