OpenTechnical

OT-2026-000060213

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000060213) never changes.

Identity and time

Publication numberOT-2026-000060213 · never reused
Internal UUID01a0ae8a-5a73-7472-b3ea-60281e8d2a42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060213
StatusPUBLIC

Content hashes

Canonical textddf3814f427666579a3ae663d3abbf49e1d8c76fce01937dddbb145176df7970
Markdownf6470f5b8567167d937a97566593f48cb8147ced9bdb996b1133004c2f6b40b9
PDF
Publication paged01e35e748c8f63cc238d38b583459942f2d207c001f903022d138fce967650e
Manifestc1786a035557c9ec00388ccc7bdc1836ce5195d67075da1ea6a421b53541c849

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
SignatureI0u2oneEgvBoIxKRTKoQOD5zP3pqbUKJIewkrbqlovPF3dNtKbZEadcx3Dx71T/mEqSuQQvypSoZLsPw42hrBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:53.240449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060213
observed d01e35e748c8f63cc238d38b58345994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:53.222039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060213/manifest.json
observed c1786a035557c9ec00388ccc7bdc1836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:53.204456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060213/publication.md
observed f6470f5b8567167d937a97566593f48c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:53.187306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060213/publication.txt
observed ddf3814f427666579a3ae663d3abbf49...
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.