OpenTechnical

OT-2026-000040514

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040514) never changes.

Identity and time

Publication numberOT-2026-000040514 · never reused
Internal UUID01a0ae79-6d0d-7b02-b347-1950def15095 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040514
StatusPUBLIC

Content hashes

Canonical textc813521e9ba43ed26bc8878c3d1b0db44da05792d620bff8e34ed73ea54e0752
Markdownfb95bc633279bfa2c4c815f9b4d40f9af7be87ebf6ff37cc52320c00813f8178
PDF
Publication pagee894141335df6288c5a25029300e296f617c182f04b0afa1de4e44da355a4dc4
Manifest1fb13aa905d78bfee104a93083a82c0bd59c7e86f0ac0d9222f8a2104f6af2d5

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
SignaturePri0+tIzTNRCsD6T41jsgJe6zUNHTlrMYRyh4ZG2hzHUxCxcmThfA+2QhiS6GF0sexV4a5rVoBTq7qkHt6RdCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:17:39.360952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040514
observed e894141335df6288c5a25029300e296f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:39.337535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040514/manifest.json
observed 1fb13aa905d78bfee104a93083a82c0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:39.304728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040514/publication.md
observed fb95bc633279bfa2c4c815f9b4d40f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:39.044124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040514/publication.txt
observed c813521e9ba43ed26bc8878c3d1b0db4...
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.