OpenTechnical

OT-2026-000059225

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000059225) never changes.

Identity and time

Publication numberOT-2026-000059225 · never reused
Internal UUID01a0ae89-8613-7154-9137-5ceacaa22995 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059225
StatusPUBLIC

Content hashes

Canonical text7b2fc55516368173c704687ab2357e2ddbbfee7c9eb65eb88c8e9f0c254d7009
Markdownfbdfc066192d18b7507f9d812367cdc875023f95e7d7e2daf357a446493edcc0
PDF
Publication page03a4ce4aa7b4699fddbe49634da85fbfa9a0f42d5ac0b69b50f1887121f5b442
Manifest2d6f84aa589695d5355f87d0427f368a2cfc4cb54527fc4c1a8845faa375aa31

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
Signaturey1rOyRIboue7xvPMhVljfxBco3y8LL7ZinhRIP0y9SS46mkHHuamwzs2AkX1KD7okSZr/iRg9diRMycj5k8eBw==
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

2026-09-17T10:45:45.496153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059225
observed 03a4ce4aa7b4699fddbe49634da85fbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.477243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059225/manifest.json
observed 2d6f84aa589695d5355f87d0427f368a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.460706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059225/publication.md
observed fbdfc066192d18b7507f9d812367cdc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.442514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059225/publication.txt
observed 7b2fc55516368173c704687ab2357e2d...
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.