OpenTechnical

OT-2026-000022860

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000022860) never changes.

Identity and time

Publication numberOT-2026-000022860 · never reused
Internal UUID01a0ae70-46eb-788c-938c-014be6bc467a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022860
StatusPUBLIC

Content hashes

Canonical text507b871bdd6ae1831fbcbcfc05a70deb53aa6a1343d0a18a218bb27b589f91a3
Markdown4e2c6958540c5ae010ff28d54f80c9c8f68deca46f1f67447fe816750bec74bf
PDF
Publication page94ee8b1d8ddf727b60bddbca5d64e1b6f3437359c0af42a497988022d0ace780
Manifestc75dfc52b8e14260e667c396bf10a060187d3597836695f7e764b53f66f21af0

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
SignaturezRlDfLl4+MzV3TQMJWRGchzCAVipxcnI4uq22I+XVliWLYPhvWpFd1fkOOfCFmwQVfYH8GRoS7alV873rFxCDA==
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

2026-09-17T11:52:24.068403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022860
observed 94ee8b1d8ddf727b60bddbca5d64e1b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:24.051246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022860/manifest.json
observed c75dfc52b8e14260e667c396bf10a060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:24.027220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022860/publication.md
observed 4e2c6958540c5ae010ff28d54f80c9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:24.007714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022860/publication.txt
observed 507b871bdd6ae1831fbcbcfc05a70deb...
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.