OpenTechnical

OT-2026-000049410

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000049410) never changes.

Identity and time

Publication numberOT-2026-000049410 · never reused
Internal UUID01a0ae81-8f7b-73ba-9e08-162c098c05bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049410
StatusPUBLIC

Content hashes

Canonical textf2652da9a584851e3f1d439328efe1a26aac72e06fcf11b1e75dd848cacbdf04
Markdown07ef5ddd12eaa39baa22ad3583ddeaea069620a1908f7995da3ba4a1f0776ede
PDF
Publication page6977540f054e67d8bac1020638cbd4da1e1505f8b21c56088fdea7836c2ae107
Manifesta8e417d638d6c384e0f58128c799a034facd9b4633413c22f797fc350fa5dcb9

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
Signature3BvadmRuaMSJxLaakGYIslQqYs72NP/4m19IKPhMNTTzYof0qLP8JBg0ekfvTa+rzxGIxv+LlG/VrqHz7KshDg==
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

2026-09-17T11:02:13.957333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049410
observed 6977540f054e67d8bac1020638cbd4da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.939086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049410/manifest.json
observed a8e417d638d6c384e0f58128c799a034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.919359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049410/publication.md
observed 07ef5ddd12eaa39baa22ad3583ddeaea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.899400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049410/publication.txt
observed f2652da9a584851e3f1d439328efe1a2...
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.