OpenTechnical

OT-2026-000033151

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000033151) never changes.

Identity and time

Publication numberOT-2026-000033151 · never reused
Internal UUID01a0ae75-4844-7964-ad3c-db2dd87a58bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033151
StatusPUBLIC

Content hashes

Canonical textc869efcf68b00b2149df718f6f3c18487ee9c8d3f6d38182c7ca49cbc9709ca4
Markdowna9bacba4d72f24ad90b748cdd48f7bc8b9a494daec6fbfbd1dce7b9ae7c05007
PDF
Publication page9a5eed86703c277fb1507b9b62fa4ab69dfc3eb59ef303d12d123ec8801b417a
Manifest5fb2d666474c877622e74f9a12ba1a9feb1a285b41201ed5e7ad719ee0ad3a1d

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
Signature9kUasYQ3RPCoKRgVlAObs31CjmZW0Ua9Q/eH9r9V+cJwW3grQhTWdtb6a7ofki7yWz5P3aiXAlP40ERZXlAaDw==
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

2026-09-17T11:32:50.253177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033151
observed 9a5eed86703c277fb1507b9b62fa4ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.237651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033151/manifest.json
observed 5fb2d666474c877622e74f9a12ba1a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.221096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033151/publication.md
observed a9bacba4d72f24ad90b748cdd48f7bc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.203211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033151/publication.txt
observed c869efcf68b00b2149df718f6f3c1848...
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.