OpenTechnical

OT-2026-000030626

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000030626) never changes.

Identity and time

Publication numberOT-2026-000030626 · never reused
Internal UUID01a0ae74-3fb2-74ba-a159-7c80a76afe92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030626
StatusPUBLIC

Content hashes

Canonical textbde5756e48e192fe1fd592698d4315832843f80d571e6adade520859c26f88cb
Markdown5389e1061b4401f29344969efe0b1a87ec8f0106f7245a7d15e9afcefadae6bd
PDF
Publication page0989949d69ace28e6dfd43b20a36a4a39b9eeb1fcd3e382ffc816ace0c175746
Manifeste8205a1d57188bb9be3852df9b3a884c1d2c8b917008e3222d92bf8891f86bc4

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
SignatureyXba59zt9VEsvsSz2onFXUgEiRr6vYyzwyaOj0vUsBEKYYy4uKPcRofXq2sTrsz7qS+5ZBQTOOLLwvO/dEJZCQ==
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

2026-09-17T11:36:29.902252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030626
observed 0989949d69ace28e6dfd43b20a36a4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.876312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030626/manifest.json
observed e8205a1d57188bb9be3852df9b3a884c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.859359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030626/publication.md
observed 5389e1061b4401f29344969efe0b1a87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.840430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030626/publication.txt
observed bde5756e48e192fe1fd592698d431583...
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.