OpenTechnical

OT-2026-000057898

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000057898) never changes.

Identity and time

Publication numberOT-2026-000057898 · never reused
Internal UUID01a0ae88-6ed8-7d30-8b31-381a69063985 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057898
StatusPUBLIC

Content hashes

Canonical textab2b80857eb0b401d2b952eb8aba8faef0db575f460461ae1cc09df4738618d0
Markdownff87f326dc345b41c2af574cee48d8425aa9bacf567489dfab19a0993440ccad
PDF
Publication page131264cb29549fc43f9d7636dc5c8066e9fe84e8c082817eb89de80ae07214e8
Manifestfca2116b2a8304c3451e5386298f62fea39b7a815d3ea7642e9610996d39ebdb

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
SignaturePoIH7eWkaz+aL6sOfiwQoj9peZS34sgmC81B/kPGTEoKX3pEUM8Dazse6nuDHDEw9DwvXrXJBGH+K1TG3QcEAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:29.712599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057898
observed 131264cb29549fc43f9d7636dc5c8066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:29.693652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057898/manifest.json
observed fca2116b2a8304c3451e5386298f62fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:29.673603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057898/publication.md
observed ff87f326dc345b41c2af574cee48d842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:29.652346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057898/publication.txt
observed ab2b80857eb0b401d2b952eb8aba8fae...
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.