OpenTechnical

OT-2026-000022839

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000022839) never changes.

Identity and time

Publication numberOT-2026-000022839 · never reused
Internal UUID01a0ae70-46ea-7ae3-9110-5cefa43d08dd · 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-2026-000022839
StatusPUBLIC

Content hashes

Canonical text19f2941fc6ef7447e0112e4bd7db228418d1713cf4482e45f6fa7dbaf12f261b
Markdown162db3e6ce0178b64db9e4a80529471755ed33eb6e71485b25edcf6b2086e030
PDF
Publication page459f080a5ee0ee5b38eff2354a516fc5e926ba673b4073a950f28fc34fe51990
Manifeste35753c54f028345a4b8afaea58abdb34952cf1927553804be0dbd3894e1aa13

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
SignaturetRnQB34bHd6u2ssbMXC9LiTGsIO7Jh9wN7P3khA6TsoY2stZs0wcZNge0oAJ6dYs8nBWrKJ/DoRWK20FdUBbCw==
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

2026-09-17T11:52:22.464743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022839
observed 459f080a5ee0ee5b38eff2354a516fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.447650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022839/manifest.json
observed e35753c54f028345a4b8afaea58abdb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.429946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022839/publication.md
observed 162db3e6ce0178b64db9e4a805294717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.412099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022839/publication.txt
observed 19f2941fc6ef7447e0112e4bd7db2284...
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.