OpenTechnical

OT-2026-000012464

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000012464) never changes.

Identity and time

Publication numberOT-2026-000012464 · never reused
Internal UUID01a0ae6d-39f7-7291-bfcf-034167bd314e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012464
StatusPUBLIC

Content hashes

Canonical textc9897bfd16962dc39510b482e509905afab3af4ee4aa6be2706603e91350824a
Markdown03f96748c05d54a60ccb26c8d3b0d8d2c319ec62c94cfb82e1918b19c08b59fc
PDF
Publication page7d21863038dfeca11d83c682955299997ad09c5572396f42832c85c224c5b9de
Manifest1693413f3922de3661850bfa8c9aa11b1d001a53c59119b33e2cb84d7011f8be

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
SignatureC4XcOj10qlI5FixMnpeLxQkaw3j4chL79bYE+TMcdyUkuN0iS0YZKTrxyv44YX/oGHpWBFNawy/SgfownPWFDQ==
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

2026-09-17T12:11:58.390368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012464
observed 7d21863038dfeca11d83c68295529999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.371608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012464/manifest.json
observed 1693413f3922de3661850bfa8c9aa11b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.351997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012464/publication.md
observed 03f96748c05d54a60ccb26c8d3b0d8d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.333912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012464/publication.txt
observed c9897bfd16962dc39510b482e509905a...
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.