OpenTechnical

OT-2026-000089020

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000089020) never changes.

Identity and time

Publication numberOT-2026-000089020 · never reused
Internal UUID01a0ae9b-8f12-7275-8d1e-0cc58230a959 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089020
StatusPUBLIC

Content hashes

Canonical text8a95229e26c04964fce53a683ea57584669ab6498112309011c66f43c7aae1ed
Markdown77eabcc58df713394e92d90e880fcef566291dbae00f1052a028341273ddaea2
PDF
Publication page603a2666221755ec390162dde896c4f64429782d70b62f9fb7b4e44f617e3fa0
Manifestab71b8bc9c3b17ca5091c4e646526d212d03e0fabc877a8a6f65ff0828cf1b9f

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
SignaturedbuObcPNPz0KkbL/xKB/GIQSOYNprCWw/kpcXP38t8Bxl0w7Q8Du6pL7iQikQtDqUAT5v6g3U/oJ8JHDyNJVDg==
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

2026-09-17T09:48:31.622157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089020
observed 603a2666221755ec390162dde896c4f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:31.603143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089020/manifest.json
observed ab71b8bc9c3b17ca5091c4e646526d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:31.585644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089020/publication.md
observed 77eabcc58df713394e92d90e880fcef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:31.568100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089020/publication.txt
observed 8a95229e26c04964fce53a683ea57584...
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.