OpenTechnical

OT-2026-000058357

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000058357) never changes.

Identity and time

Publication numberOT-2026-000058357 · never reused
Internal UUID01a0ae88-f399-7892-adc4-d00ec48a1d5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058357
StatusPUBLIC

Content hashes

Canonical textd7f7fe9a4a95373ea461a2b131a7b21ea206a68f97a16689dcc2392c9fb8d84a
Markdown02a67a3cccd427df12fb4252361689741e05adef2ad232a38eb769052b04fd9d
PDF
Publication page5c42820b2f9b29ca786e5543c85f86e2c92f6e99486e7dc2199706cad1efdc31
Manifest2f3ec8d0fcb2fcbf2edf26f2138ef80d150b3f6297da56dcff06539215d38e3a

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
Signature2V3APf0g6JQGJGxV4arB3EnN5PERsUVaHZw/ZuZN4KlSdyKr+4S88iao4zg8PAcEIsUDnvcJKLO0YvSkPFYsAw==
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

2026-09-17T10:46:46.323307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058357
observed 5c42820b2f9b29ca786e5543c85f86e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:46.304568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058357/manifest.json
observed 2f3ec8d0fcb2fcbf2edf26f2138ef80d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:46.284787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058357/publication.md
observed 02a67a3cccd427df12fb425236168974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:46.265359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058357/publication.txt
observed d7f7fe9a4a95373ea461a2b131a7b21e...
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.