OpenTechnical

OT-2026-000069819

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000069819) never changes.

Identity and time

Publication numberOT-2026-000069819 · never reused
Internal UUID01a0ae91-185f-71c4-a17c-38ce9d4a5636 · 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-2026-000069819
StatusPUBLIC

Content hashes

Canonical text02427b50d0c68ae5616fdfeccac561cf56547e7f862c0167a5d42e18237783d6
Markdown63c247406571df272ae5c19d9226604d2190c0308b918bc7069f6d79b42be393
PDF
Publication page6b24c5fb5bcdb94f375ab0faeb99329de952126dac826b706a163901b5a39588
Manifestc9e7abef9697465bfbd94781c84f5a07f372b96735f98492a79f39a7f2e3d116

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
Signature/giaHdh3/c0ZfWgLgM6EFl6z0D7roEWQsZ3uv5/CEPaxr4oxxNgCIWtI+W1B4oXCA6Z54AXwsl98e3P+mPUPDA==
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

2026-09-17T10:26:39.051570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069819
observed 6b24c5fb5bcdb94f375ab0faeb99329d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.033996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069819/manifest.json
observed c9e7abef9697465bfbd94781c84f5a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.016165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069819/publication.md
observed 63c247406571df272ae5c19d9226604d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.998608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069819/publication.txt
observed 02427b50d0c68ae5616fdfeccac561cf...
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.