OpenTechnical

OT-2026-000029541

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000029541) never changes.

Identity and time

Publication numberOT-2026-000029541 · never reused
Internal UUID01a0ae73-5e21-72b4-9be1-95a251c30ff5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029541
StatusPUBLIC

Content hashes

Canonical texte65489534f122bc07f52d42e840cb7c63562c7d6acd36d5e1f1db79d7dbd05ed
Markdown44ed91cca48edcfcc083247a81d2e159357c2c44de734cb6c9ed1d76d7116ff0
PDF
Publication page26aa30ae70a74046469d1021571b5b34eed6181da644e7f5b78c85be7a991075
Manifest6059ab5dec032d180a303d70d5a0f48999ebb1aff651d583fe49781a5d53140b

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
SignatureBKrEr7HhtGI4ej8q3iykG8QYG9VcA4VWT9NhkOyJ3VLXUkJsMJH9jPfvya1lFFgdn1sxrlMsfNWqIbhiRuNXCg==
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

2026-09-17T11:39:11.675565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029541
observed 26aa30ae70a74046469d1021571b5b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.656159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029541/manifest.json
observed 6059ab5dec032d180a303d70d5a0f489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.637192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029541/publication.md
observed 44ed91cca48edcfcc083247a81d2e159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.619401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029541/publication.txt
observed e65489534f122bc07f52d42e840cb7c6...
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.