OpenTechnical

OT-2026-000067242

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented after 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-2026-000067242) never changes.

Identity and time

Publication numberOT-2026-000067242 · never reused
Internal UUID01a0ae8f-6bd5-7e95-9f59-3e1a06a1f1f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067242
StatusPUBLIC

Content hashes

Canonical textf4e0ebbba06d5e2afbe9353aaa46cd623391cbec91d9815eb509da82507542ac
Markdownde8e526437d70485c8be6037f3b6818f605e9df9a0b12a769520a8640f7f993c
PDF
Publication pagec4a3915439039a3c105c77ea02ca1e3c351c04d13a3dc520aebdd20ad8c82b5d
Manifestef74effcdeed7f243f9b4c6c190d01f07510c9abfe51ff88f59ec1172339437a

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
SignatureFBY7BX4S/gVqWgbYMLHj6kWmv3SpGcvOt7oy+ipSo0egPYS5m6Fj9g/WG53OAgk0xiLvteulzBQl8xZiqNesBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:54.852194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067242
observed c4a3915439039a3c105c77ea02ca1e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.835033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067242/manifest.json
observed ef74effcdeed7f243f9b4c6c190d01f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.818057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067242/publication.md
observed de8e526437d70485c8be6037f3b6818f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.801189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067242/publication.txt
observed f4e0ebbba06d5e2afbe9353aaa46cd62...
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.