OpenTechnical

OT-2026-000066319

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000066319) never changes.

Identity and time

Publication numberOT-2026-000066319 · never reused
Internal UUID01a0ae8e-8dc4-7c32-a97e-ce185b9f9b6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066319
StatusPUBLIC

Content hashes

Canonical textef8da33b1ef5297f069dc8f0cfbe297f17e2181f477feef8a7093af64f7434b9
Markdownab0e3e377a74e27d3bb96e6579cad8e91e7da12651009f61febf624d6a9fa61d
PDF
Publication page86846d71d441e0b756090c2ac0c1124fe3facdf3fc90f6aa8459a1ce71d44bf7
Manifest3246ecdafb9e0757b302540d7c8d067a7d5ae2e31281e8ca96145017558c003b

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
SignatureWehmoVr3JJO3z5v8RlyZd0G8KEAVw8DzVCsDSlP7UnUC21eE8KSeFkx4RQR8LjdNVK5KzWnqrDzgNIugX/i7DA==
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

2026-09-17T10:33:30.572342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066319
observed 86846d71d441e0b756090c2ac0c1124f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:30.552856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066319/manifest.json
observed 3246ecdafb9e0757b302540d7c8d067a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:30.535520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066319/publication.md
observed ab0e3e377a74e27d3bb96e6579cad8e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:30.518478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066319/publication.txt
observed ef8da33b1ef5297f069dc8f0cfbe297f...
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.