OpenTechnical

OT-2026-000033534

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, pulsed 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-2026-000033534) never changes.

Identity and time

Publication numberOT-2026-000033534 · never reused
Internal UUID01a0ae75-a38e-71b1-bdf9-b753365d9bb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033534
StatusPUBLIC

Content hashes

Canonical text38c539842e00be5e036d390dc75b6ee304d6cf0fe62b421596e5b35a5947faf2
Markdown2127b59185a4d2d597751c9fe455f86d19825255295da33a1d7a183cb908c9ca
PDF
Publication page78174eddbd3a28d38fb8b6ebdd0001673976a121f0fbf35ed17d60826538b450
Manifestcef7a0ceb2910fee62678dc2cec2a2745e9ad99f689518aa6e865c65f78609d2

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
Signaturel3/cBIDgGXI+dRiQGRJEDsXXqTHbzpKPrE4OwTmeBu/5an/6susXWpXSs/9bw2HImZcdu1eedp5JGK5D51TrBg==
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

2026-09-17T11:31:23.628767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033534
observed 78174eddbd3a28d38fb8b6ebdd000167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.601803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033534/manifest.json
observed cef7a0ceb2910fee62678dc2cec2a274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.583811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033534/publication.md
observed 2127b59185a4d2d597751c9fe455f86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.567103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033534/publication.txt
observed 38c539842e00be5e036d390dc75b6ee3...
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.