OpenTechnical

OT-2026-000013674

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000013674) never changes.

Identity and time

Publication numberOT-2026-000013674 · never reused
Internal UUID01a0ae6d-8de8-7dd3-8d14-b4aa5ffc2876 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013674
StatusPUBLIC

Content hashes

Canonical text2b53c2203f00b7e767beaf035568a768fbad6080d6d0922bf820a0b245780555
Markdown3f2efcea0fe9f07dc1125e2469ed3d4a03d62ba3aabac986f1e634446397ee1a
PDF
Publication page20d925088392fd83ff264e97f261e0e45d98f3f71ed60e6c523b9db0b5b7b1e4
Manifest949af8a44c9e871527b6dc51d94106573be95d9b2d0916406ba87a5392a1f7f0

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
SignatureYk+VN17rehl8YiOVIoCMgxgyoG6ylirAdR4Mzld2jTA2MttUxEViT51AKG1jtszdfi2aLEL/TuR8Fzh04YwZBg==
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

2026-09-17T12:08:37.215264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013674
observed 20d925088392fd83ff264e97f261e0e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:37.197216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013674/manifest.json
observed 949af8a44c9e871527b6dc51d9410657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:37.180062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013674/publication.md
observed 3f2efcea0fe9f07dc1125e2469ed3d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:37.161122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013674/publication.txt
observed 2b53c2203f00b7e767beaf035568a768...
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.