OpenTechnical

OT-2026-000053317

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000053317) never changes.

Identity and time

Publication numberOT-2026-000053317 · never reused
Internal UUID01a0ae85-0a15-7d7c-8350-d4f37db886f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053317
StatusPUBLIC

Content hashes

Canonical text67c7518c6cd10f53e0492d7c204d2215475823a35683ec520279e01c8e840d7e
Markdown974381954abaee91731e31e6ff585547071d0b1779a86697cc2350b25ce69460
PDF
Publication page7cde9b1a933255c9c83529eb1f4a0ab8484da7cb63fa25bc4cea011ebb4facf9
Manifestcbb329387ec88e7c50b017166340de94a06d06a39b8bd191a04cc6e90c1fe260

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
SignatureIVoegjeokrTGp5kMJ/X0QdlCwV1YE2ZgC9Z5WmcCyECIv/yTsQT1fralyCMcjfFb4N6w0oV5mmaq9XMhq/sgBQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:00.733666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053317
observed 7cde9b1a933255c9c83529eb1f4a0ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:00.712775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053317/manifest.json
observed cbb329387ec88e7c50b017166340de94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:00.691993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053317/publication.md
observed 974381954abaee91731e31e6ff585547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:00.672712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053317/publication.txt
observed 67c7518c6cd10f53e0492d7c204d2215...
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.