OpenTechnical

OT-2026-000083027

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, sustained 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-2026-000083027) never changes.

Identity and time

Publication numberOT-2026-000083027 · never reused
Internal UUID01a0ae97-c961-77e7-9819-4224110c7f8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083027
StatusPUBLIC

Content hashes

Canonical text9426b4129fbb0dbfe66baa4a332a4a1ed9496853dcca283908f5eaf0e0c1686d
Markdown6944715e9c54afc54f3815bd8455ddf1e7c630cb017d69d4dd0ca61626b4208e
PDF
Publication pagede5f4fb0169efd8436dcb3c1f06bb12a196fa3abd27dddbd864a3b8f212660c8
Manifest0c1c40bbd0eda85cd9ec353fbdfb0026b33e02f7159c054ac21f2ad4d265315a

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
SignatureCoupreeFQBDbh5QvkayLPpn35D4p2tpSzoX6hFeD5Jo6Tsbu1vvPQZkhuz41KGC3YdqwsaLNrqPF1ssbzNOtCw==
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

2026-09-17T09:00:20.814864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083027
observed de5f4fb0169efd8436dcb3c1f06bb12a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:20.667338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083027/manifest.json
observed 0c1c40bbd0eda85cd9ec353fbdfb0026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:20.649511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083027/publication.md
observed 6944715e9c54afc54f3815bd8455ddf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:20.630894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083027/publication.txt
observed 9426b4129fbb0dbfe66baa4a332a4a1e...
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.