OpenTechnical

OT-2026-000051088

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000051088) never changes.

Identity and time

Publication numberOT-2026-000051088 · never reused
Internal UUID01a0ae82-c7b5-7fa3-90a6-0bc4414e97df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051088
StatusPUBLIC

Content hashes

Canonical textce1aa4478071ba1f8b80c472d905bb010dc94e035e883d8dce846dd3cd2defd0
Markdown2babfba0879e97db9d199f62f0917977c3374ba207b888ae4d432a54b50682e2
PDF
Publication page5d0d3210cc057b40883510cac618d2b72baa8423a332e5240daa78297c5f7467
Manifest5cf4f47b2eac3ae9c0bd33b092de8285e5d788152fd3d9061d4c90e9c314a9b0

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
SignatureNH5Da0gYXKeTe6ZwZZPUzMrULbquihN+BGboqONMGfG+h5djBMi3yU3qjUVy+EFz1tPFSesgLtFcK0tETyixAw==
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

2026-09-17T11:01:01.567877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051088
observed 5d0d3210cc057b40883510cac618d2b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:01.546667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051088/manifest.json
observed 5cf4f47b2eac3ae9c0bd33b092de8285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:01.525814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051088/publication.md
observed 2babfba0879e97db9d199f62f0917977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:01.504968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051088/publication.txt
observed ce1aa4478071ba1f8b80c472d905bb01...
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.