OpenTechnical

OT-2026-000051529

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000051529) never changes.

Identity and time

Publication numberOT-2026-000051529 · never reused
Internal UUID01a0ae83-7c80-7932-8cde-48133e5af950 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051529
StatusPUBLIC

Content hashes

Canonical text879ec3d8b73abdeeb2ae9044b134c331fe67f2b95819b26fc0975c7f5f068029
Markdown6dd3c7f3907941b4bf86bc6b525a3308e7f80058e40054d39e36a5d793f672e1
PDF
Publication page26947ac425fee15d59f11d64a76e531f518a8ff074cc8167ec0a0b44615492ac
Manifest438b2f9172abf505933fffd571c0900970901d7b028c28f11d86d7d55e1b922b

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
Signature7RH9+tUzDoRz/Du4ZpnLxs1+rB926uWZZaQKsxkHJOmrQUwDgx5g8aad3He8Jc5X0PSorfr6+Uu5obE7tgQzBg==
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

2026-09-17T10:58:21.362544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051529
observed 26947ac425fee15d59f11d64a76e531f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:21.344766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051529/manifest.json
observed 438b2f9172abf505933fffd571c09009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:21.297868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051529/publication.md
observed 6dd3c7f3907941b4bf86bc6b525a3308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:21.250757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051529/publication.txt
observed 879ec3d8b73abdeeb2ae9044b134c331...
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.