OpenTechnical

OT-2026-000084345

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000084345) never changes.

Identity and time

Publication numberOT-2026-000084345 · never reused
Internal UUID01a0ae98-5b61-7d8d-9914-b55f715d2883 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084345
StatusPUBLIC

Content hashes

Canonical text75edec1bd7fb1ddcd84d99c0ec9b5f0f1c9d49aeb73e7a6db533c4b1c0596b4a
Markdownf316b7da87bddb4baeff4e316dc82e0f7ba28ce9500369b8e16aabf14a48cf49
PDF
Publication page2a608a2c57ce9322c9dcab2f998aace9f46202ac55158c9c84ba9ba5135a8f07
Manifest39b426bb7dcd154531eb02c44d19f4e3893dd406c4038dcf6efcb19fb3cc4d69

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
SignaturelMGSY0aBJmOQ1tdNmGxqwCYnHL9lnmWtUGk8d/ZYZYDX8Atc5iPQ37995a0x6Q0Y8ef77Il6cWn/1HiO3BOYAQ==
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

2026-09-17T09:56:16.599146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084345
observed 2a608a2c57ce9322c9dcab2f998aace9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.580766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084345/manifest.json
observed 39b426bb7dcd154531eb02c44d19f4e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.564363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084345/publication.md
observed f316b7da87bddb4baeff4e316dc82e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.547393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084345/publication.txt
observed 75edec1bd7fb1ddcd84d99c0ec9b5f0f...
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.