OpenTechnical

OT-2026-000032776

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000032776) never changes.

Identity and time

Publication numberOT-2026-000032776 · never reused
Internal UUID01a0ae75-1071-71fe-92fd-7faab27bc926 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032776
StatusPUBLIC

Content hashes

Canonical texta4ff078ba8efb76c95ad1177bca9798751d22db145f8a535f8a02693e6195e9d
Markdown4a0feabd79a14fefd9b50ba1cd39834543606979ce3bc8f3a59021471fc979fb
PDF
Publication page8c4fd74a77ef7b77f84b8ac66400d603cc94bda3a17c411c1efb21e463cc68d3
Manifest6807ea575a7d141283484f6467e2b9dd1ff18f0494024d81597ba67976388fec

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
SignatureHMOU3ihQhuYl1pkS3VgJ39TuqCwBuZlNHTQG7jSIeQMw5pB48lg0qZ9siW45gc6aO1GPHv7S5xTlcoUmnZb+AA==
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

2026-09-17T11:34:24.643468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032776
observed 8c4fd74a77ef7b77f84b8ac66400d603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.627976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032776/manifest.json
observed 6807ea575a7d141283484f6467e2b9dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.610680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032776/publication.md
observed 4a0feabd79a14fefd9b50ba1cd398345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.593509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032776/publication.txt
observed a4ff078ba8efb76c95ad1177bca97987...
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.