OpenTechnical

OT-2026-000032242

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000032242) never changes.

Identity and time

Publication numberOT-2026-000032242 · never reused
Internal UUID01a0ae74-f7a7-7194-8f31-ffbdcb29f239 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032242
StatusPUBLIC

Content hashes

Canonical textc626080051d612256b27b00a1899370edb3309fd1571f46eb9cdfeaaf10e8443
Markdown479a89d59654c98e2acc700317900bb8f47b7a6474c3ba9b9561c5c91ac3dcec
PDF
Publication page00bfc790215695f7a1dd652d508431d17b140b587717fc3347a5e9abe2bb0b43
Manifestccfda3a049a6683728100a90d730de99e3e7b8b5821f830c7023365ff2c8ec68

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
SignaturebY2jh4bmad4/fFw+O8Ryv6TBMAVRXczMVYo0P/K6bRc6+RwX5PPl2MvVHW4goQv1BMzsqYLiKaWZfBegS7IPDQ==
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

2026-09-17T11:34:35.844331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032242
observed 00bfc790215695f7a1dd652d508431d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.827923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032242/manifest.json
observed ccfda3a049a6683728100a90d730de99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.810358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032242/publication.md
observed 479a89d59654c98e2acc700317900bb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.792611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032242/publication.txt
observed c626080051d612256b27b00a1899370e...
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.