OpenTechnical

OT-2026-000025568

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000025568) never changes.

Identity and time

Publication numberOT-2026-000025568 · never reused
Internal UUID01a0ae71-5fa8-7655-9175-40eebf95ad8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025568
StatusPUBLIC

Content hashes

Canonical textd423462c016fa2e9bbca582e23d420302b098d726e909d40f9306b2fb1db22b4
Markdowndf257fa933392252a341b85cb3087111579ac85e805c8f7bd82e611dab86d42a
PDF
Publication page9b307f8db396f21e7030e8312060a574fdf705c312f1682c6c40d7e2c6fa8e59
Manifest71ac3d5e9ebf8bc6e605f4e12440b1395251649460100b85a24dc33530b0d276

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
SignaturepQkmM0penzhaXyisPK1FHL0OoGR+9qNQU8qKu2usTxvsVAUFFRAWKGluO42Ta9efCyFNCBVh0hC5OsSWPcGmCA==
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

2026-09-17T11:47:43.606228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025568
observed 9b307f8db396f21e7030e8312060a574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.584896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025568/manifest.json
observed 71ac3d5e9ebf8bc6e605f4e12440b139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.564505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025568/publication.md
observed df257fa933392252a341b85cb3087111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.546315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025568/publication.txt
observed d423462c016fa2e9bbca582e23d42030...
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.