OpenTechnical

OT-2026-000032733

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000032733) never changes.

Identity and time

Publication numberOT-2026-000032733 · never reused
Internal UUID01a0ae75-1071-7ab3-9917-e619b5018a51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032733
StatusPUBLIC

Content hashes

Canonical text2ab489854ca7d2ffa5df8981c24999851dbb566078bcdc747ac7c05ccf503441
Markdownab618e27bd22f764b86040a71c4cc9af6f0e1124770c0c7118f33e1e84533ecd
PDF
Publication page1b193c992a70ee3a341e216a2b4c4f79fba5118a7c0d0b15c3e1a3519f53d90a
Manifest43913d6bc5518da4f836f122887c15970c72a1289336071a26da1986774e00dc

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
SignatureYd6EFuLd759vBjWgs+UJEzbzCQ9Y4m33QrVqvYvG4lDfQL2H1dyHVWmYLB7biNKQl/bVXsng5X2C67VYf0jDAw==
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

2026-09-17T11:34:21.225908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032733
observed 1b193c992a70ee3a341e216a2b4c4f79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:21.209515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032733/manifest.json
observed 43913d6bc5518da4f836f122887c1597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:21.193696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032733/publication.md
observed ab618e27bd22f764b86040a71c4cc9af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:21.173272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032733/publication.txt
observed 2ab489854ca7d2ffa5df8981c2499985...
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.