OpenTechnical

OT-2026-000064233

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000064233) never changes.

Identity and time

Publication numberOT-2026-000064233 · never reused
Internal UUID01a0ae8d-a460-780c-9fd5-67e97f4dd2c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064233
StatusPUBLIC

Content hashes

Canonical text8af12797590b11a33f1ce64ddf6ba83d682085eaab0462dfa4e77314eeb2bb0d
Markdowna0d43730e310f81bd557c2aa2b371f347aa3c69c628824fa6a1788a2a9945184
PDF
Publication page507aedc922c5bcf7828ce95c0ef7725414b26bcf179f39757d0437324fb79e6e
Manifestdae7192c1881cfdb54c66cab7585cb3a64a0078313224d34eb18719d26468aef

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
Signature5VnkjROZmRelrKGw4l7t9X6BE4bnnyMBJucrS6svwsVa8ySuoGYc5q2sHK6aidueZsa7GoBZ9MIROC/mlWVSAQ==
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

2026-09-17T10:36:21.587367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064233
observed 507aedc922c5bcf7828ce95c0ef77254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.567796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064233/manifest.json
observed dae7192c1881cfdb54c66cab7585cb3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.548983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064233/publication.md
observed a0d43730e310f81bd557c2aa2b371f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.527406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064233/publication.txt
observed 8af12797590b11a33f1ce64ddf6ba83d...
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.