OpenTechnical

OT-2026-000027876

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000027876) never changes.

Identity and time

Publication numberOT-2026-000027876 · never reused
Internal UUID01a0ae72-a4a5-7890-867b-d76c7ce1cc41 · 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-2026-000027876
StatusPUBLIC

Content hashes

Canonical text080a9a7abe261ae124ddf2ecf808953e6e746679fd837f96af90ae42461ea55e
Markdownf14c0ce387ece6ed6e0a1cfed3e353bea3de16f3f067739714c93515e7746533
PDF
Publication page03518ad4b78f57425bf1e2025e3d1fc819d5b070eb444ce392c3dcaaec7322df
Manifest75b1731102954bd444c43ba7f3d9b6a5df8a8395d54b1970eb069af892e5241b

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
SignaturenceAh/n625yCGVVVWHHO2rpRcCDYm5FW3K1zYDdFaDmFp+n46h6OWoRooe18gsOmcsiTayr0jMb+IqyfU78+Cw==
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

2026-09-17T11:42:02.031825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027876
observed 03518ad4b78f57425bf1e2025e3d1fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:02.013654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027876/manifest.json
observed 75b1731102954bd444c43ba7f3d9b6a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.995109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027876/publication.md
observed f14c0ce387ece6ed6e0a1cfed3e353be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.976727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027876/publication.txt
observed 080a9a7abe261ae124ddf2ecf808953e...
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.