OpenTechnical

OT-2026-000035884

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000035884) never changes.

Identity and time

Publication numberOT-2026-000035884 · never reused
Internal UUID01a0ae76-b4c9-789a-b39b-cdd299a83e80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035884
StatusPUBLIC

Content hashes

Canonical text5e95b5e58b20dbb6c4e957b52ad5981579ab7b2a6bc1a8a7d03520ae78a1a493
Markdownf64ccc4aca2a2719ecac65cf3df7bee0a5a1d4ab32d72894f37247511a7caa5e
PDF
Publication page2805ae1a3237d03bf6a465ad53ce735ed133fbc7257d578e48af8bf1936f7fac
Manifest1831c74fa94060c0d1f88f453ad7f417a706727d284298c3dd14aedcff9c2f64

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
SignatureImDFeovth8PAsHowQrKfA16yWDoPbJp3m9Cxf4VSrSDL8Dv80lEfzLZ+cHVMrdje/Ohri1cy+NjEOOBNzduQAw==
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

2026-09-17T11:27:37.766174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035884
observed 2805ae1a3237d03bf6a465ad53ce735e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:37.747967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035884/manifest.json
observed 1831c74fa94060c0d1f88f453ad7f417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:37.730834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035884/publication.md
observed f64ccc4aca2a2719ecac65cf3df7bee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:37.710007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035884/publication.txt
observed 5e95b5e58b20dbb6c4e957b52ad59815...
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.