OpenTechnical

OT-2026-000060949

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000060949) never changes.

Identity and time

Publication numberOT-2026-000060949 · never reused
Internal UUID01a0ae8b-12f3-7721-a586-30e7ecf869b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060949
StatusPUBLIC

Content hashes

Canonical text7efdab83075ff70ed6b3679810130d650e849242acde3824f93edd35ab019cd5
Markdowna4e3536fb6020cc69e95ee149de03d3a57bfd901ef517d55c89ea47954c7ba14
PDF
Publication page38d2fdd37104b836ccfbaea1d728724773e4a83f263b803c8376c7040af6a0b5
Manifest39dd47adc573ec2568a5c75ab34ba21187fb2939063fe7f2d9b3403b7b2652e8

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
SignaturewUYtPOptgFxoU7pcpsTh5I9cNjFzht1LcXnAT0KRdXJDuVyGZe3c19KgWyadE1EEE8SAYE/dvq9fR4exfe8EAw==
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

2026-09-17T10:42:13.455804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060949
observed 38d2fdd37104b836ccfbaea1d7287247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:13.439057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060949/manifest.json
observed 39dd47adc573ec2568a5c75ab34ba211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:13.423799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060949/publication.md
observed a4e3536fb6020cc69e95ee149de03d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:13.407084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060949/publication.txt
observed 7efdab83075ff70ed6b3679810130d65...
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.