OpenTechnical

OT-2026-000100631

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000100631) never changes.

Identity and time

Publication numberOT-2026-000100631 · never reused
Internal UUID01a0aea3-66f2-77e6-9de6-0a6add8fa2b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100631
StatusPUBLIC

Content hashes

Canonical text3da6ca5650ff46a53753adac50a9c4b9b5f7dc480e30545595a1c4f4192c01f3
Markdown47ca4d2e52f93df4be262ecfe2c70606c93590f941f0740ae6b1cc2186994e23
PDF
Publication page2e527c1385be940f2e063b20aa471166af04931bf5c8fcd8b5b5ae13487237f5
Manifestec2b8d180ccac2d4e8f46a406f820e9f1b46ead050a7a2de04d75bee549a0435

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
SignatureCuCOrRGrd9i4bZtaR3/8+eHV0mNqrCRcX5IZEtuArfo6XJuxaJ85WvzZwzN+qiKqJfYgmwfc1bWxWzl3+oPGBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:25.897647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100631
observed 2e527c1385be940f2e063b20aa471166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:25.881407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100631/manifest.json
observed ec2b8d180ccac2d4e8f46a406f820e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:25.864692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100631/publication.md
observed 47ca4d2e52f93df4be262ecfe2c70606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:25.847022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100631/publication.txt
observed 3da6ca5650ff46a53753adac50a9c4b9...
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.