OpenTechnical

OT-2026-000089530

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000089530) never changes.

Identity and time

Publication numberOT-2026-000089530 · never reused
Internal UUID01a0ae9b-db02-7040-ac05-9f6d3f47d23d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089530
StatusPUBLIC

Content hashes

Canonical textfb8c4f3535051d889bb83265ebc588e2c93c3753fa97393e7f401907adfaf0ec
Markdown16051002a34b3b0d7e1842e73343d7de65d941fc29082425df0bf6f2bc42f6b9
PDF
Publication page584d46dec29fc2a636791a0b219d53c5281b459db335c3826b81358d4e4d2eb4
Manifest4da94c60bcb741c483b39a904133eebfde370330d05e0a3bdff5a2e7d176844b

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
SignaturefNTJbY9oYn7I7V8i4oep8ezXajYwdsfEncGip/0aUSK9vsP0bbHyZnFCdRTjCYW99TaLNd89yCIAv5qGDzSGAA==
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

2026-09-17T09:47:41.462629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089530
observed 584d46dec29fc2a636791a0b219d53c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.444934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089530/manifest.json
observed 4da94c60bcb741c483b39a904133eebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.425415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089530/publication.md
observed 16051002a34b3b0d7e1842e73343d7de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.406209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089530/publication.txt
observed fb8c4f3535051d889bb83265ebc588e2...
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.