OpenTechnical

OT-2026-000029830

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000029830) never changes.

Identity and time

Publication numberOT-2026-000029830 · never reused
Internal UUID01a0ae73-ac47-7b78-b54d-af0feb140625 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029830
StatusPUBLIC

Content hashes

Canonical text50658d5b7bff81123c2d9c6819ccb37605a4b7addd73a256ecc8e85ca52a9cd4
Markdownbc49fa66e4b57cc5e1cd0b3a06df2ff0e7918d9d8482c36c4bcdf64be4e70f9b
PDF
Publication page8a08f02ca9a56b7e92d861bf6f7016cd0226afae29f760fe3194af5861d29559
Manifestd2e12079898bc5790d776be06b21942b9a5ae75d3b1d86733fb4cd202db3b2b2

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
Signature1Sakwf/5FU4YM71q+ow9ibv62ne32pPhYfvdCvcQyAJYC9IBCYc4u2eB260il56R5EC+VcIIBmzUn6GL49C9BQ==
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

2026-09-17T11:38:30.526680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029830
observed 8a08f02ca9a56b7e92d861bf6f7016cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:30.504681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029830/manifest.json
observed d2e12079898bc5790d776be06b21942b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:30.486239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029830/publication.md
observed bc49fa66e4b57cc5e1cd0b3a06df2ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:30.467265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029830/publication.txt
observed 50658d5b7bff81123c2d9c6819ccb376...
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.