OpenTechnical

OT-2026-000067780

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000067780) never changes.

Identity and time

Publication numberOT-2026-000067780 · never reused
Internal UUID01a0ae8f-c4fa-7932-a414-9e42e953299e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067780
StatusPUBLIC

Content hashes

Canonical text06a5104f74ea2134138c732406ddd58fc137ebc2ddae0cf89ab1c76dae928c50
Markdown8f6dffa2375fc29a6866886b2ee6c34bae27e4340a1de28f69694c7bd0b3dce4
PDF
Publication page9be741b57f386b279fef30ee925fee61a4725c4875d82f9a6af3298dfc43c698
Manifest07bafab9aeb6317c970ff24163ee249045272d4d95c164d9a535634f12f636ef

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
Signaturem1YR95cLhTLJYMc3Fa78V1k0i3VuK6WnbGQYUc4gXrIiPm6+HGSdT68EPekLLWihwvawWi+jk4WSPtjLb8lFAw==
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

2026-09-17T10:30:00.799027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067780
observed 9be741b57f386b279fef30ee925fee61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.781368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067780/manifest.json
observed 07bafab9aeb6317c970ff24163ee2490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.763598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067780/publication.md
observed 8f6dffa2375fc29a6866886b2ee6c34b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.747206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067780/publication.txt
observed 06a5104f74ea2134138c732406ddd58f...
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.