OpenTechnical

OT-2026-000050894

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000050894) never changes.

Identity and time

Publication numberOT-2026-000050894 · never reused
Internal UUID01a0ae82-c7b3-7e36-9988-501de0c2b582 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050894
StatusPUBLIC

Content hashes

Canonical texta5ef4546e1c125689cfd2dab7c0790f3694e9d7d30eb284e8df25d181f5ed7a2
Markdownef1df8bb436a7cd594479f93765d8a341ef9225a9de3f76e34fcb81e1f628b95
PDF
Publication paged53a3a92c9d352a730c794b0fa975aa7d753d9c3e086f6d85c895eefa029c445
Manifestcd59ed29450ecf2fdc4f837e4e689561f8f82a07ddf367351cf81f54af1a55d5

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
SignatureouMMWukUmUaulxG28pM+rNK8wjUtzEC1bSSNn+76QTDontdIeeiT0iaHDM0vMxWOLbTwuhsA5AyjX5ANnFrtDQ==
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

2026-09-17T11:00:38.107736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050894
observed d53a3a92c9d352a730c794b0fa975aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.075545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050894/manifest.json
observed cd59ed29450ecf2fdc4f837e4e689561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.051509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050894/publication.md
observed ef1df8bb436a7cd594479f93765d8a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.036137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050894
observed d53a3a92c9d352a730c794b0fa975aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.032594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050894/publication.txt
observed a5ef4546e1c125689cfd2dab7c0790f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.019292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050894/manifest.json
observed cd59ed29450ecf2fdc4f837e4e689561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.999522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050894/publication.md
observed ef1df8bb436a7cd594479f93765d8a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.974657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050894/publication.txt
observed a5ef4546e1c125689cfd2dab7c0790f3...
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.