OpenTechnical

OT-2026-000102586

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000102586) never changes.

Identity and time

Publication numberOT-2026-000102586 · never reused
Internal UUID01a0aea4-858b-749f-b48c-77c6e5b5ce5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102586
StatusPUBLIC

Content hashes

Canonical text2b12d3293d478bd07365bcf4d70ebf92fb3e96f3470511e1669a3a2a3b14c42c
Markdowndc9bdba7e82536c4bfc48ee636fab56b85462565e2eb3346ca7845be061ab2e0
PDF
Publication paged2a844c0393d4f6aaa326cf55969852ed054b8ebcffd3723902ac20e078759ce
Manifestbd4888327c4aea205cb274868ab15262bcb21886ebc92ec35f5f08ccc755d204

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
SignatureMz2ML53Nv1LmjQ77g7l5KC9EN+jzrNokmx2JBZ2Zas/geKwJCvpLeUUDemok0gcpdirwYvWU/j4R9j7/O7IZCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:40.020361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102586
observed d2a844c0393d4f6aaa326cf55969852e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.003168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102586/manifest.json
observed bd4888327c4aea205cb274868ab15262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:39.985578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102586/publication.md
observed dc9bdba7e82536c4bfc48ee636fab56b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:39.968798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102586/publication.txt
observed 2b12d3293d478bd07365bcf4d70ebf92...
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.