OpenTechnical

OT-2026-000053730

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented before 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-2026-000053730) never changes.

Identity and time

Publication numberOT-2026-000053730 · never reused
Internal UUID01a0ae85-735c-7c79-a152-1a6174a679f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053730
StatusPUBLIC

Content hashes

Canonical text17b944341dc0466f33653098089cf89a12ceaa5022bfbc82031ac8ec5638a65f
Markdown22ab93d82266e8287a9c51c7a2498120723b698faa5775156ab6e2949cd4dae1
PDF
Publication pageb46b72df27f44c4976a396d745c9dd72fea01477f83f88cabc813da916138f08
Manifest64204098e6755effb47fa7b381a51c3506afa69daf5c08060d7085cc967e528b

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
SignatureYuGXGgzzE2w6u6eLMQmmtqDNVaOT9N7WWicKa2/HNNFT6T/arM2CUnMVPrrg09sSdDGEhWr4vz7OiJAD5EFTBQ==
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

2026-09-17T08:40:18.767678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053730
observed b46b72df27f44c4976a396d745c9dd72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:18.749611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053730/manifest.json
observed 64204098e6755effb47fa7b381a51c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:18.730635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053730/publication.md
observed 22ab93d82266e8287a9c51c7a2498120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:18.571781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053730/publication.txt
observed 17b944341dc0466f33653098089cf89a...
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.