OpenTechnical

OT-2026-000089721

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000089721) never changes.

Identity and time

Publication numberOT-2026-000089721 · never reused
Internal UUID01a0ae9c-1a22-72bb-a69b-788a43e17766 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089721
StatusPUBLIC

Content hashes

Canonical text154bee2d5a8b2a2c82e65dc2c26bf68b656eb6b8c226c00aaaaaab74ff3bf133
Markdownf0c72fea2e44a438fa01e17ded67e9c8574ec36ebea7abf4be3418b177618ca6
PDF
Publication pageab7f10f53f7602e032a8bb08e722ebb82bd361c68dfc22a95ab62db8d820e241
Manifest1a0a98b3bab6d6cc10601bde48cfe8e04b975c2dff2e54d7bd8e63e4ef348fe6

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
SignaturejCyqcJIizX39HwT1OJpEtVKCfKHXABzfC8HZ0UZDDa2m6Vu2hbs15Os++Gw1RQ8w2IJwgcYIAJm2MUJyN4mMDA==
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

2026-09-17T09:46:43.630466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089721
observed ab7f10f53f7602e032a8bb08e722ebb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:43.612987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089721/manifest.json
observed 1a0a98b3bab6d6cc10601bde48cfe8e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:43.593182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089721/publication.md
observed f0c72fea2e44a438fa01e17ded67e9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:43.574398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089721/publication.txt
observed 154bee2d5a8b2a2c82e65dc2c26bf68b...
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.