OpenTechnical

OT-2026-000016564

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000016564) never changes.

Identity and time

Publication numberOT-2026-000016564 · never reused
Internal UUID01a0ae6e-2d14-76a1-a182-1977a7100a13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016564
StatusPUBLIC

Content hashes

Canonical texta50a1b90996c1f7f2cd55e6bc8f0d5447ab3889f776305d8783d59af8695d938
Markdown4c2b88ccd1ad765a9bda0c5ef24de2c4af5b07a3fc42d6ff0905a0eeedceec45
PDF
Publication page78f7ad3f531e99fa749eae659f0fec44e646ed15d224d23a9a18b05d9dbf5c14
Manifest391c531a4e898f27f96d9b9824257e58dc200ff768440e8455cfceaf502c38a1

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
SignatureoHwajyoX29f5cuVjmjURd5quSe4/7CL60ombO9PYsCxa9Zgz1Zoj+5ZTTe8hs9o5suka/rWQAC1THJP+urARDQ==
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

2026-09-17T12:04:47.614724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016564
observed 78f7ad3f531e99fa749eae659f0fec44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.597338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016564/manifest.json
observed 391c531a4e898f27f96d9b9824257e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.579510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016564/publication.md
observed 4c2b88ccd1ad765a9bda0c5ef24de2c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.562140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016564/publication.txt
observed a50a1b90996c1f7f2cd55e6bc8f0d544...
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.