OpenTechnical

OT-2026-000082942

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented after set-down

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-2026-000082942) never changes.

Identity and time

Publication numberOT-2026-000082942 · never reused
Internal UUID01a0ae97-8cca-798a-afbc-1f901a90f02e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082942
StatusPUBLIC

Content hashes

Canonical text1845eb382b4d56773addae3d0d53f0e28904045f726dd92ab13d682c0f477c3b
Markdown612e7e63b809c83fd7b52e813f884f130c547af6a07f7ed1542d9efd979d57d5
PDF
Publication page7c62743ffe0270286c925c8dc050da38cdb7c45322e1ac0ecbc6fa523ef221be
Manifest0a6bc4bd176bc1baa5e7ff47d7281c567b7fc65314f3601dc4f10e9ed2191d52

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
Signaturemiz5EPCrgLRPRPqMLtYB8NmbS1rUMAKJsUbvU44QtRKmvwaQ89kxajqT1Ua+6SS4teAS9kTA9cfsYABsS2QQAQ==
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

2026-09-17T09:58:38.256150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082942
observed 7c62743ffe0270286c925c8dc050da38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:38.237759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082942/manifest.json
observed 0a6bc4bd176bc1baa5e7ff47d7281c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:38.221235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082942/publication.md
observed 612e7e63b809c83fd7b52e813f884f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:38.203356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082942/publication.txt
observed 1845eb382b4d56773addae3d0d53f0e2...
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.