OpenTechnical

OT-2026-000033101

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000033101) never changes.

Identity and time

Publication numberOT-2026-000033101 · never reused
Internal UUID01a0ae75-4844-710e-a280-2f112bdd09b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033101
StatusPUBLIC

Content hashes

Canonical textfe2d3610a21fc857ef67367f20bd0af4c21033e551324da4e8d04ea1643e21b7
Markdown38dcdca20fa72aa8ae3ceee9eb4fb84afe4faa8a81a263b54887d865fb08da49
PDF
Publication pageb724dc9e1d04fd43b83262dea9b5d6603cb704b6f35967bdaafd1bc3ed9d7d19
Manifest3567f0cf57844589b8a61db2395af396e9b2d6407ce779daff5e027aef0724b7

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
SignatureWXvhDmF5DQSPv/MsuAQElXfTbmR5rSLwMeHYV1Mnl+hnxf0j1UY2ygbTOgV1naaUnqiqbsf8g+qFNvTwTDaKAg==
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

2026-09-17T11:32:45.224946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033101
observed b724dc9e1d04fd43b83262dea9b5d660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.206596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033101/manifest.json
observed 3567f0cf57844589b8a61db2395af396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.188553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033101/publication.md
observed 38dcdca20fa72aa8ae3ceee9eb4fb84a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.173485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033101/publication.txt
observed fe2d3610a21fc857ef67367f20bd0af4...
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.