OpenTechnical

OT-2026-000027866

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000027866) never changes.

Identity and time

Publication numberOT-2026-000027866 · never reused
Internal UUID01a0ae72-a4a5-77b7-bdb8-61c8575fb585 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027866
StatusPUBLIC

Content hashes

Canonical textf9221219a6a30a29f8b81af72f33ae82ed76b04e2f71163b85f0f1e9ca128afc
Markdownf4428d1cbc369037b2fb51321d25d2f6d59173477a1871383784c34f10b9a463
PDF
Publication paged9187e3b45fcd1c0b3a433bf7f0b5934dae24357fb4532b5e7906ce25da55e59
Manifest0eecc71b94a7ee55dea141c22ea1e90a17af71105ed9697da3cbf82a572bb480

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
SignatureU/cBgZllOvfOhsH+iS6Mdwm4yko5Pl1iK53UzbXVAgMGS7GgHYod+CNNQ0TiY0u6NJgAz7fNEw+d4O84qZhHBg==
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

2026-09-17T11:42:01.124967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027866
observed d9187e3b45fcd1c0b3a433bf7f0b5934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.104674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027866/manifest.json
observed 0eecc71b94a7ee55dea141c22ea1e90a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.086060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027866/publication.md
observed f4428d1cbc369037b2fb51321d25d2f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.069314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027866/publication.txt
observed f9221219a6a30a29f8b81af72f33ae82...
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.