OpenTechnical

OT-2026-000037972

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line 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-2026-000037972) never changes.

Identity and time

Publication numberOT-2026-000037972 · never reused
Internal UUID01a0ae77-f88a-78e4-aee2-e4aef7670cfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037972
StatusPUBLIC

Content hashes

Canonical text96ea885bf4782c14a34c404cb1f53093ff4c1c3f63ab896a667d1ab7b96db5e3
Markdownf6bfa091a2845cc72ad0c486f5ad29c2d19a2b365551329fcdb071ddb75bdb68
PDF
Publication pagec03442af4f86367186ad2285bad1fae897f94b29cb4d2c2ff65c982ce1449e53
Manifestb392a74a1f1f61e124484da44941bf23690e82abffbdbd5706646fbefa769aff

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
Signaturev9QW66CBKw067l3MTwZP/GvQT6tfE5B3q1EzjWqaGHlxwuYaL67G0HWbtDQrkc83zTQkHLIX5CV4DH8H2H7RBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:23:15.895048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037972
observed c03442af4f86367186ad2285bad1fae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.877215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037972/manifest.json
observed b392a74a1f1f61e124484da44941bf23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.859941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037972/publication.md
observed f6bfa091a2845cc72ad0c486f5ad29c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.842599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037972/publication.txt
observed 96ea885bf4782c14a34c404cb1f53093...
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.