OpenTechnical

OT-2026-000060812

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000060812) never changes.

Identity and time

Publication numberOT-2026-000060812 · never reused
Internal UUID01a0ae8a-b7d1-76f2-8922-38026de45a68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060812
StatusPUBLIC

Content hashes

Canonical texta08abae67d6ee17e68aa5b694d9028ab5cef7a412b88f1f71913947162d76599
Markdown7e43688b4baaf19937babc8b5764d04e03b099f7aa49feae608908c11921f3fc
PDF
Publication page086f4770b050b11589de807a05c90e31f8b982b36cb5c5dff1283d48237281e2
Manifestcf6203ca720fb1c5785502f090b66c9e12626ee654e76321f27e427aff7d2313

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
SignatureVzeBkYdXEvpSlKpkSCtR4TXvJdtNMfcG0MQ3iCVQ2YLUIMTSLR4C3Jg0p4qV5+P3hkY4Y1merdSyF0D6b7w7Bw==
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

2026-09-17T10:43:33.738544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060812
observed 086f4770b050b11589de807a05c90e31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:33.722481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060812/manifest.json
observed cf6203ca720fb1c5785502f090b66c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:33.706549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060812/publication.md
observed 7e43688b4baaf19937babc8b5764d04e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:33.691483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060812/publication.txt
observed a08abae67d6ee17e68aa5b694d9028ab...
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.