OpenTechnical

OT-2026-000077325

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000077325) never changes.

Identity and time

Publication numberOT-2026-000077325 · never reused
Internal UUID01a0ae94-f509-783a-8533-f89981f81c8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077325
StatusPUBLIC

Content hashes

Canonical text73f83ff17fcacb4c0bcccd1842f29cab571c0abfc6b7ef64526ed86183b9c79e
Markdown35803f7ccec93d27b4516c87ff8aed80616042f2cb1dd04a1c1dc36afc138335
PDF
Publication page488a97cf7dd71b485f2733c664e66bbf2db6849f5043a0838755a9337cf32de4
Manifest5e3ff9357dc1486313480eb8c1033134ab0f550a2215d795cc277a36249ddd02

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
SignaturelhTSRm2G99Smljd9vmHwjnN6NYJMc8yTEZ4nNdCc0n0FPDVGE6vCsR86mjKeUtfb7EWEWL1x+70iHmNIc7zAAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:08:57.906001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077325
observed 488a97cf7dd71b485f2733c664e66bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:57.885464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077325/manifest.json
observed 5e3ff9357dc1486313480eb8c1033134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:57.866283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077325/publication.md
observed 35803f7ccec93d27b4516c87ff8aed80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:57.846779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077325/publication.txt
observed 73f83ff17fcacb4c0bcccd1842f29cab...
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.