OpenTechnical

OT-2026-000066591

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000066591) never changes.

Identity and time

Publication numberOT-2026-000066591 · never reused
Internal UUID01a0ae8e-ce41-7bec-8d0a-240848aa643c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066591
StatusPUBLIC

Content hashes

Canonical texte66071aadcfc20c317a4b0b68f351703a1a883a78a80a7c7d875b8e047479f62
Markdown07e05d71e0f707ce285bce73c4e779260aa484c390565381d75d3bd69ffc1bd2
PDF
Publication page344693b9df0d4caaf296aeb598bb1435bf0343b9d311b4420b684ea884b9c52c
Manifestd38268eb2d79e7a4a6dd3b095e5c2b50799fa17051e4f1254594a3df5f5099c6

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
SignatureQtZ7T5kSl3Ksz3jjYXMtFqvQlVkbTYyyGu3o6lqmQ2dVrXfFD7fGsF0tBLLM95mSJXumAlGLFcmxmK+bQ+WgBw==
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

2026-09-17T10:32:52.054319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066591
observed 344693b9df0d4caaf296aeb598bb1435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:52.038109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066591/manifest.json
observed d38268eb2d79e7a4a6dd3b095e5c2b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:52.021877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066591/publication.md
observed 07e05d71e0f707ce285bce73c4e77926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:52.004683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066591/publication.txt
observed e66071aadcfc20c317a4b0b68f351703...
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.