OpenTechnical

OT-2026-000038462

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000038462) never changes.

Identity and time

Publication numberOT-2026-000038462 · never reused
Internal UUID01a0ae78-2d53-729b-b070-26dbac562323 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038462
StatusPUBLIC

Content hashes

Canonical text2aa19afafc69f86e91c20cc49e3df223fa00ab96d8f282a15816cd18a9a366b5
Markdownb007a7ef82a675c5763bd0b63b211c4b181e4a6395cdba88e5cf11c559f0a5fa
PDF
Publication pagef73cfbef82ba4654fdd10ab942aa458378527e3dd70b1491b86a36541bd334e6
Manifest1ad0edbb430efdb84df0334fa386cf2ec8fb4015172e79c28c41157d08accc5a

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
SignatureDxk9dRUOekom2PK8rzGLTierCP61j3M28Tc7MoM3KtFth8vM/qT2GaEuQ9tCNlSc5LFRwzL304bEOriJ8QMWBg==
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

2026-09-17T11:22:41.833898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038462
observed f73cfbef82ba4654fdd10ab942aa4583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.815820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038462/manifest.json
observed 1ad0edbb430efdb84df0334fa386cf2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.797673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038462/publication.md
observed b007a7ef82a675c5763bd0b63b211c4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.782061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038462/publication.txt
observed 2aa19afafc69f86e91c20cc49e3df223...
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.