OpenTechnical

OT-2026-000059545

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000059545) never changes.

Identity and time

Publication numberOT-2026-000059545 · never reused
Internal UUID01a0ae89-ec23-73da-8042-4a398ec5a2fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059545
StatusPUBLIC

Content hashes

Canonical text42d1d7db57c3971c74e17eb1b953fc19ad2c627c28e618e5a82a2df8a84ac7d0
Markdown7f255457b54f63f54f608b021361aadc1d26053c8119848ae3579161628027c4
PDF
Publication pageedb949cfdb085303735ffac8186c61bc45db45fa9a0d251a7352d3edd615cce6
Manifest90878472588b83ace0396238baef2cd387c37c45fd1b358de6731e22757bb70d

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
SignatureIvL3AEAZon9/hqVLho2tBvUQGkrUci4v1hKpkRn241aGBUWv7q+aFzX+HMk6PmRuEhwz++yWoeTCtr65MhpJDg==
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

2026-09-17T10:44:10.878671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059545
observed edb949cfdb085303735ffac8186c61bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:10.850480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059545/manifest.json
observed 90878472588b83ace0396238baef2cd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:10.815020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059545/publication.md
observed 7f255457b54f63f54f608b021361aadc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:10.786953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059545/publication.txt
observed 42d1d7db57c3971c74e17eb1b953fc19...
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.