OpenTechnical

OT-2026-000083676

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000083676) never changes.

Identity and time

Publication numberOT-2026-000083676 · never reused
Internal UUID01a0ae98-0416-782b-8d26-90ddf5b22e94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083676
StatusPUBLIC

Content hashes

Canonical textc7953cf994c14cd4c8de2b79de61c6caf282310c20e1d30a6c348f0b20edfe78
Markdown48e02deb0140e9d92790c491361f68696e9ffdbf6331e34133c3977b6aa3d57d
PDF
Publication pagebba35804208a5cdd8ef2ba66043e77f71ca2eb8e141cc2004d4cfbf894e74149
Manifestda9b76965b08431d6122f2a587d729bc2688b6cda6d7e10ad48f659cf70f9c7c

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
Signature4cMWzFv4wYhVpgiTFhV70O0dabVx4imEsSVVLvhNC353IB6KlodHRkRiSUuG6HY3orxfZbOFonV5yPKKqHhnAA==
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

2026-09-17T09:57:17.989193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083676
observed bba35804208a5cdd8ef2ba66043e77f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.971032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083676/manifest.json
observed da9b76965b08431d6122f2a587d729bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.954401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083676/publication.md
observed 48e02deb0140e9d92790c491361f6869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.938601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083676/publication.txt
observed c7953cf994c14cd4c8de2b79de61c6ca...
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.