OpenTechnical

OT-2026-000064413

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000064413) never changes.

Identity and time

Publication numberOT-2026-000064413 · never reused
Internal UUID01a0ae8d-a461-7822-b0be-e735222fced7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064413
StatusPUBLIC

Content hashes

Canonical textd8814ceb178b920b65c49f92da798a1becca525acbb7fabc2664a0ae3810bb56
Markdowndebfdf1444df268ac7aec4ed275d9afa2158a00d68920c40a7aa9c25d46ccba4
PDF
Publication page5dec5ba6392818d4dc9015fc755dfd65b92a665967b12f1bd5a41556e32d451b
Manifest94cd4d792420673ea97af672c01e860a4efdf0906f37299694f365d902062782

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
Signature56o1JA0D0Ux+YaI2IHy2YpKVkxz+naYbKmvRh6cQreNpnm1u3ONFZ52OCkqQe/UmPs9+bFH5SX4Du2v8fFctAA==
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

2026-09-17T10:36:35.548657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064413
observed 5dec5ba6392818d4dc9015fc755dfd65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.521828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064413/manifest.json
observed 94cd4d792420673ea97af672c01e860a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.503925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064413/publication.md
observed debfdf1444df268ac7aec4ed275d9afa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.487305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064413/publication.txt
observed d8814ceb178b920b65c49f92da798a1b...
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.