OpenTechnical

OT-2026-000067830

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000067830) never changes.

Identity and time

Publication numberOT-2026-000067830 · never reused
Internal UUID01a0ae8f-c4fb-76f1-b072-8373255f0f79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067830
StatusPUBLIC

Content hashes

Canonical textc2577f240416d94436b9ad6053db3a781bcfb24fb57ea9c4630b4218d5f6f6d9
Markdowna583b2f6a2cb15c7af4aee25a840e225031874feea4a3d4e950ede1878dc4ee8
PDF
Publication page618cf3f513b31b0b73db52933b21e4355946dd82d2a570618afaf0f7a681a609
Manifesteb3067d9db81bbf30c08f3a665cc868ef4f1dfa56858fe20ca5f568ec49b8496

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
SignaturerlzjDHKxW9gbNXky3m9V9r6TbYuWHbKftv3Gs7L4FROUz/6n5Xh0EqrZwlAWv5B8KSo72hzbUyuSnUvM8HlDCA==
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

2026-09-17T10:30:04.915175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067830
observed 618cf3f513b31b0b73db52933b21e435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.894005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067830/manifest.json
observed eb3067d9db81bbf30c08f3a665cc868e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.877396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067830/publication.md
observed a583b2f6a2cb15c7af4aee25a840e225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.808794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067830/publication.txt
observed c2577f240416d94436b9ad6053db3a78...
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.