OpenTechnical

OT-2026-000069774

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000069774) never changes.

Identity and time

Publication numberOT-2026-000069774 · never reused
Internal UUID01a0ae91-185f-7d09-a5da-cb55780f0835 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069774
StatusPUBLIC

Content hashes

Canonical textf327558bbf3f4b1e812a94e485857702f94fdf459c82dd1e8417e08d4a03b9f7
Markdownad6d653b5d64aa5aeaa5777bff4fff3e9883586de8f52b881c5df6a87081c4e6
PDF
Publication page8aedbf0b16aa1d7876973252acd8fe1f1e80d6b4d77d2417be9ee90961bcfa18
Manifest9bbe5a61d5dd602820d6fa6d79a2c5a82937a9b536a2ad3a19fcb97ae806a249

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
SignatureL17P9jSh1Mit03Y/jRgJSwOqC//HM9auDIe0hxDi6h0d/e10x65nWVbX0IuEhtOsbc2nExo3bS9bD2dSMeRHBA==
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

2026-09-17T10:26:36.174958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069774
observed 8aedbf0b16aa1d7876973252acd8fe1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.157955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069774/manifest.json
observed 9bbe5a61d5dd602820d6fa6d79a2c5a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.140018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069774/publication.md
observed ad6d653b5d64aa5aeaa5777bff4fff3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.121207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069774/publication.txt
observed f327558bbf3f4b1e812a94e485857702...
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.