OpenTechnical

OT-2026-000066346

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000066346) never changes.

Identity and time

Publication numberOT-2026-000066346 · never reused
Internal UUID01a0ae8e-8dc4-7b47-af78-9d82ad704512 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066346
StatusPUBLIC

Content hashes

Canonical texteca9130e66427ba3d725986f2a3e3be827b1a393de6b62298e256184a200c01c
Markdown7a4d038eb951508c8499c9361e0afc6435fb97a1c3c49a99203bbc596d341b17
PDF
Publication page4d2b4360a31b7302673ac336297291cf4e1dca40f4535cddafa87e29a00539c9
Manifest5e64e7341f8213569ed98eb10b246b5e3342ee36f4289ffcaf6fa76ec778341e

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
SignatureRf7gKi7v+27IV27nm2U7wFbbqN1SHQrV1K3+SHRE45ONdqjvRztz/zL2YOOOHT1L0O2fHAsK2roqbNt8ZMvCAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:32.381970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066346
observed 4d2b4360a31b7302673ac336297291cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:32.366340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066346/manifest.json
observed 5e64e7341f8213569ed98eb10b246b5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:32.347835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066346/publication.md
observed 7a4d038eb951508c8499c9361e0afc64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:32.331056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066346/publication.txt
observed eca9130e66427ba3d725986f2a3e3be8...
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.