OpenTechnical

OT-2026-000016134

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000016134) never changes.

Identity and time

Publication numberOT-2026-000016134 · never reused
Internal UUID01a0ae6e-2d10-7650-a460-b050ed2d6e13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016134
StatusPUBLIC

Content hashes

Canonical textef56bceee2cf0459495e02004dc562f2ef8e659f6598f372f2ba9954d6259f4a
Markdowna81dc120cb3ebe5405699c7f62f71a4e904dbef569c0112eb76ac6f77b3df0da
PDF
Publication paged74cb471876a236aa5aeed73d138019799946e144162cac82ba51225a9378975
Manifest7ff3f983a736c3f4a250fe850510cb8ab05bdb7287df80e3b51fb79e69e9a245

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
SignatureOy0GKAgZKtBE4bQ6qk0D6fxsOpxwL/tm962WTnVb4uwT8JA6WMJ4PphxamQksI0YBufGlgW/bEde1NraZDCgBQ==
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

2026-09-17T12:03:34.180386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016134
observed d74cb471876a236aa5aeed73d1380197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:34.159780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016134/manifest.json
observed 7ff3f983a736c3f4a250fe850510cb8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:34.139561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016134/publication.md
observed a81dc120cb3ebe5405699c7f62f71a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:34.120294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016134/publication.txt
observed ef56bceee2cf0459495e02004dc562f2...
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.