OpenTechnical

OT-2026-000021022

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000021022) never changes.

Identity and time

Publication numberOT-2026-000021022 · never reused
Internal UUID01a0ae6f-65e4-7d84-a659-1737c566adb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021022
StatusPUBLIC

Content hashes

Canonical text5b683505e9d79d843ba48c4478c75183ad3cd8753aacf77310620a4b0f704211
Markdown43c61f768a197b8f0489b759e990a224490737c2f4a2afcc5d40090a7bcafaf6
PDF
Publication pagef202503c1360479b1b20b85f5238e2eac1516aad6958769fb5a01d3314c09d70
Manifest25de4262ebb0359785119ed4008302ed5a340ade2194d20704f1a1efe23ab4db

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
SignatureUHoA341dcnGSy5+iFGGYZI0ol1f9Oz3BUs/VQ2zahYK2ccFFaOutOQtMNdATAQY6yt9VSbYa/A0+TEtrd2TFCA==
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

2026-09-17T11:56:07.625356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021022
observed f202503c1360479b1b20b85f5238e2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:07.606068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021022/manifest.json
observed 25de4262ebb0359785119ed4008302ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:07.588390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021022/publication.md
observed 43c61f768a197b8f0489b759e990a224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:07.568543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021022/publication.txt
observed 5b683505e9d79d843ba48c4478c75183...
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.