OpenTechnical

OT-2026-000083470

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000083470) never changes.

Identity and time

Publication numberOT-2026-000083470 · never reused
Internal UUID01a0ae97-c965-73f1-a43f-24322848f829 · 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-2026-000083470
StatusPUBLIC

Content hashes

Canonical texta1e607ece7c0092440bc1d6d69944d317f9382ad056ca276f06d6149850a8e37
Markdown142253812f00b7763e3cddc273cdac9601f64351f713a4a06bc6f619a68ca565
PDF
Publication pagefab6b6707f6a7d8f5a127576a1b7fe5433904b8bf21aecf299f68bb7e13a68dc
Manifest4e11493f6b70a5a1ccc77b2199860491146d462d4a0de1dcf2c9984ecff086bc

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
SignatureHtSyTkxu5t5+HFsE8oB9k+MtbFIm4HjFiVk+sAhkpefmC4PTjaddIeIdzXwmbeY3S1HikyFFjSrlGwg87/AuAg==
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

2026-09-17T09:57:53.513906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083470
observed fab6b6707f6a7d8f5a127576a1b7fe54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.499264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083470/manifest.json
observed 4e11493f6b70a5a1ccc77b2199860491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.483655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083470/publication.md
observed 142253812f00b7763e3cddc273cdac96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.466484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083470/publication.txt
observed a1e607ece7c0092440bc1d6d69944d31...
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.