OpenTechnical

OT-2026-000011090

Publication integrity record

Single cup vacuum gripper, common isolation valve, three 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-2026-000011090) never changes.

Identity and time

Publication numberOT-2026-000011090 · never reused
Internal UUID01a0ae6c-540f-7fe7-ae2f-c5ab3872dc68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011090
StatusPUBLIC

Content hashes

Canonical text744495b6ad96de38a98f6fb68c16cf9a7914ce3b5a04aacd253bd0e276bad294
Markdown48f0bb91515e53ac6469f11c8c7ebdc548fa9f086d98ca8295db4b479255b077
PDF
Publication page456c070deb80dba78c2cad73fb48d9aafaed9edc69c31b4e86475762317d3982
Manifest8d08e6e0f76b483db34965b90790165d23113ae0a64cb05af8f81049299bf3bc

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
SignatureI9OWMwWBe3Upszu/0Z3K1L94pvWS/7uj7otp0d2bN1fRWxwNbUJb10AQWdiWe5X0G4B66xoTKt7n444/IrCZDA==
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

2026-09-17T12:13:55.944926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011090
observed 456c070deb80dba78c2cad73fb48d9aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:55.925851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011090/manifest.json
observed 8d08e6e0f76b483db34965b90790165d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:55.906914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011090/publication.md
observed 48f0bb91515e53ac6469f11c8c7ebdc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:55.888821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011090/publication.txt
observed 744495b6ad96de38a98f6fb68c16cf9a...
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.