OpenTechnical

OT-2026-000021532

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000021532) never changes.

Identity and time

Publication numberOT-2026-000021532 · never reused
Internal UUID01a0ae6f-865e-7241-9964-45ba1bdff583 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021532
StatusPUBLIC

Content hashes

Canonical text0467b6f673eb76dc2b2d4da931e1a97a1e1d7c50ebe8116d63b9c5e4051342fd
Markdown0aaac31cc0f796c2f1d4113b0f64c6ed31d64c0eb32b425c12737a0d3632cb03
PDF
Publication page8160df5bd627d551bae6ebf403103a8d2c2c5e709ada68f7ff4726918bdb60cc
Manifestcdf46c777b1df4b645fef7691b6d3aff18e514d6b3d95442a0347c82fd5bdf99

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
SignatureHlvGA1mRRe3Qwy/LQAnvkVliFWV66jULH4wAqUWfOyt0xfPu2b8Pmhk640dEL51qGf8xpeWmhfXkbDSUeK4qBg==
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

2026-09-17T11:55:27.104101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021532
observed 8160df5bd627d551bae6ebf403103a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:27.086296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021532/manifest.json
observed cdf46c777b1df4b645fef7691b6d3aff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:27.067406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021532/publication.md
observed 0aaac31cc0f796c2f1d4113b0f64c6ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:27.048592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021532/publication.txt
observed 0467b6f673eb76dc2b2d4da931e1a97a...
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.