OpenTechnical

OT-2026-000042364

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000042364) never changes.

Identity and time

Publication numberOT-2026-000042364 · never reused
Internal UUID01a0ae7a-5d74-70cd-aefd-7452dfa3801b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042364
StatusPUBLIC

Content hashes

Canonical text4a0df9e9981ee9de78d6d1e3bcb57a51277eb46ac38ccb48a59f9bb7930b073e
Markdowndff04c1313f05faf9646533ee6017801262a29c95553327b29419449ceeab141
PDF
Publication page32d4cabef899f8e9ca40253a06310a586adcf6a9996cbd8d77be3179026ee6b6
Manifesta1bf1d73af486a271d13a00f0b3e8ba6151a655969c0f5875ff3e561be5a2602

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
SignatureQkzwCHklsBk4GN2rYXQ9zrKiqX/QqUGbkaFnj1G7CwjMoc1S4kfRRb7nMxbuY8Mb6uQzUpDcduHyPWvXOjt/Bw==
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

2026-09-17T11:16:09.008727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042364
observed 32d4cabef899f8e9ca40253a06310a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:08.986603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042364/manifest.json
observed a1bf1d73af486a271d13a00f0b3e8ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:08.967054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042364/publication.md
observed dff04c1313f05faf9646533ee6017801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:08.942170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042364/publication.txt
observed 4a0df9e9981ee9de78d6d1e3bcb57a51...
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.