OpenTechnical

OT-2026-000062369

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented after set-down

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-2026-000062369) never changes.

Identity and time

Publication numberOT-2026-000062369 · never reused
Internal UUID01a0ae8c-0abf-7db9-a04e-bde91924ff47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062369
StatusPUBLIC

Content hashes

Canonical text07dd07cd2caf24105866f608aade3db7922d2adcc6c8d02ccd04a8669bef8048
Markdownac6f2adab082484c6ef91fce59d98e1dc4996f4d27ba5ffa9befaa761c03fb94
PDF
Publication page5d2d9cbe2de9b65ffe5e0c740392fd6282a0f4e6c7419437fa255c380754282d
Manifest3e1595486c82782de16d67e5d13e3be2f34eebc3043dbe8d609c59e3248ad022

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
SignaturebU52jqfAVebt2HTVOXaVm0WoLNKhcQ22yK3ydUL3pO6aL7h9dMKQi2x32UUm95ycd+BQK8WSgj/0/3hfkQfmAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:41.211737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062369
observed 5d2d9cbe2de9b65ffe5e0c740392fd62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:41.195332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062369/manifest.json
observed 3e1595486c82782de16d67e5d13e3be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:41.178749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062369/publication.md
observed ac6f2adab082484c6ef91fce59d98e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:41.161808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062369/publication.txt
observed 07dd07cd2caf24105866f608aade3db7...
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.