OpenTechnical

OT-2026-000022749

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off before 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-2026-000022749) never changes.

Identity and time

Publication numberOT-2026-000022749 · never reused
Internal UUID01a0ae70-46ea-7c89-b9aa-e44267eaff14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022749
StatusPUBLIC

Content hashes

Canonical text133a1851313ec690d18e0e179c09c866c249984513752ad5379460e57ae1cc7b
Markdownb51878c3481226d5aba359dbb8148719a7dba86af998c792b40b8772ca9e8434
PDF
Publication page95c31e8ff85b324ff36e9e412cd6f6777c0ac203368ff87a015d29d01a4d762e
Manifest8a969aa20ab664f6ab1b9f63195ce876aea3f5f711de60bc0c8837e8e8099c84

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
SignatureiKJB4V4eOT7pwkqpQYLUbGoclG0OuXEj/cd/HeEqp1WHbA+IahMTOsyCsVQ0/7YlUY36Xvf62l9VhOqsKmo0Bw==
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

2026-09-17T11:52:15.506099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022749
observed 95c31e8ff85b324ff36e9e412cd6f677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:15.488788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022749/manifest.json
observed 8a969aa20ab664f6ab1b9f63195ce876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:15.468445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022749/publication.md
observed b51878c3481226d5aba359dbb8148719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:15.451566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022749/publication.txt
observed 133a1851313ec690d18e0e179c09c866...
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.