OpenTechnical

OT-2026-000016150

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000016150) never changes.

Identity and time

Publication numberOT-2026-000016150 · never reused
Internal UUID01a0ae6e-2d10-7f65-a728-40f21f732659 · 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-2026-000016150
StatusPUBLIC

Content hashes

Canonical text05d94bb85283d71c53fd2c693ac07fcd180a395fce385c91e7ad68ae8777ef8a
Markdown9701af0056ae2c33e54e19195809e3957f86da7d16904b4fbd02201e78918885
PDF
Publication page3d35436c2f3620d82a06091e2e4498cdaa59f8cadb693ff764660fc6759b6d95
Manifest28a72e3ad6086e97fbe0a2220ed02f748c7434ff399feeea779a6a4c23a4852d

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
SignatureU9JoZgA3KC4Pmt0npfiPgYbNjjF20vAK+x0jWXBKSpOpNehk+fDKmaWXOuGirGIJYUMwA+LF8cB0DwYyZ6JFBg==
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

2026-09-17T12:03:35.449157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016150
observed 3d35436c2f3620d82a06091e2e4498cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.429162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016150/manifest.json
observed 28a72e3ad6086e97fbe0a2220ed02f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.408997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016150/publication.md
observed 9701af0056ae2c33e54e19195809e395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.390260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016150/publication.txt
observed 05d94bb85283d71c53fd2c693ac07fcd...
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.