OpenTechnical

OT-2026-000069203

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069203) never changes.

Identity and time

Publication numberOT-2026-000069203 · never reused
Internal UUID01a0ae90-6dcf-78bc-bcec-373f10924cd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069203
StatusPUBLIC

Content hashes

Canonical text2db63a617c6afe5b7541d34a4b98d698ee1cb9573f507f129cae7f27336fc12d
Markdown64200ff523a1350fe1e7a72168756494236821a67a41e01833299dda323207a9
PDF
Publication page275747cc58223faabc60044b0b6a2cb480847ac96fe1433b405967728d48b63a
Manifest479fecd262d49aac3f2ac9a4e6108a20ad7917d8b6146316233cf8d65b74305a

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
SignaturehiJhVZEVi2f/ivWk82BVkTO5SLQ3Gn+HBabMzg+FANUPKuJQuHL/CQd0PXkMMTY03GgLGywpSo/BMeqt/X58DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:12.720271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069203
observed 275747cc58223faabc60044b0b6a2cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.702611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069203/manifest.json
observed 479fecd262d49aac3f2ac9a4e6108a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.683985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069203/publication.md
observed 64200ff523a1350fe1e7a72168756494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.666499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069203/publication.txt
observed 2db63a617c6afe5b7541d34a4b98d698...
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.