OpenTechnical

OT-2026-000070141

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, 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-2026-000070141) never changes.

Identity and time

Publication numberOT-2026-000070141 · never reused
Internal UUID01a0ae91-1862-7593-bee2-c7eb19abb88d · 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-2026-000070141
StatusPUBLIC

Content hashes

Canonical text6795f02dd6449aa5accf8aebaf9a2d59b91f57d69d4c481c822d23182d8a7845
Markdowndcea7ffbf6efd133eae403ae11da03f68b39c62fa81a0aa3ee0b87c00cdd5672
PDF
Publication page05823a55dc5925934865bbc547cc7b5f9098b01fb974600b1ce76df290ee68b5
Manifest1ff9a4ef1661aeec0f7f23a5a00da3a88884f6898c93633f67ea22f36544317f

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
SignatureEWToRS24tXCCdKWOInehWTACLzezzeBeva5uBeAEGEJIcDCVFRnInG7Cs+S3YMRHitpn9MmOhOb0FxTMvM/7Dg==
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

2026-09-17T10:27:11.085492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070141
observed 05823a55dc5925934865bbc547cc7b5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.067994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070141/manifest.json
observed 1ff9a4ef1661aeec0f7f23a5a00da3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.049421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070141/publication.md
observed dcea7ffbf6efd133eae403ae11da03f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.030425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070141/publication.txt
observed 6795f02dd6449aa5accf8aebaf9a2d59...
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.