OpenTechnical

OT-2026-000034300

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000034300) never changes.

Identity and time

Publication numberOT-2026-000034300 · never reused
Internal UUID01a0ae75-df0e-7448-a0a8-b0ffc52896ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034300
StatusPUBLIC

Content hashes

Canonical text6770bc05883823d5d0aae27fc8584d411c473469a6f5c15a5dc8a7cd4519b3c2
Markdown17442d77f3b4bf3dca7f175638d37e4733d7e180504ca7ca7bcfd8605f42db7c
PDF
Publication page2eced13e372bd89502b116d20ae9c3136fc978f3d2caca059faf05c326044b7f
Manifeste1964b8af8af95d4ade722f1ff1ebf9c22dce283502234bab63bcf1e2cd12c96

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
SignatureXm0tN7xncNb1bvuAdG+QUuGa51HPUMHMDyvNBCpwTNa6HLeCItMqHrvspN+cKxbMj7KUrb41ZDVh1BXzJrOqAQ==
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

2026-09-17T11:30:59.408587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034300
observed 2eced13e372bd89502b116d20ae9c313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.392818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034300/manifest.json
observed e1964b8af8af95d4ade722f1ff1ebf9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.375526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034300/publication.md
observed 17442d77f3b4bf3dca7f175638d37e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.358927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034300/publication.txt
observed 6770bc05883823d5d0aae27fc8584d41...
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.