OpenTechnical

OT-2026-000066421

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented after set-down

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-2026-000066421) never changes.

Identity and time

Publication numberOT-2026-000066421 · never reused
Internal UUID01a0ae8e-ce40-7fb6-bc49-3230d9716323 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066421
StatusPUBLIC

Content hashes

Canonical texteb133d5753d43f520740f0fbba6ec6f39c97fe8f96a3b1fefac8ac0bcde357b1
Markdown44148ecea58e48e2b909815d6003b5a59e80e410f88ef92419727e20457b5438
PDF
Publication page36ffecb60e2f23039b4496affb58b3f2b873b35c872e534b7f26b5a99da9e4fd
Manifest8db18f2a9a3be67e768552f628cef69793ef11aac90c6c90d7a72b4f2717a23b

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
SignatureLKcqmrFh6dzgmSSA5dQxhxdwGMDfYNkTp34V/sIfRuNWWnvwGbqlwqKsBch1soASjeMQ2fJbWwFtvNVVDma9Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:39.704657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066421
observed 36ffecb60e2f23039b4496affb58b3f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:39.686727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066421/manifest.json
observed 8db18f2a9a3be67e768552f628cef697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:39.669564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066421/publication.md
observed 44148ecea58e48e2b909815d6003b5a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:39.654270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066421/publication.txt
observed eb133d5753d43f520740f0fbba6ec6f3...
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.