OpenTechnical

OT-2026-000066157

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000066157) never changes.

Identity and time

Publication numberOT-2026-000066157 · never reused
Internal UUID01a0ae8e-8dc3-726d-bbf7-c3e6f9b1734d · 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-2026-000066157
StatusPUBLIC

Content hashes

Canonical textbf7632dda66430341698c97b6502f31494f9fab1bd2811a8b090cd780c513577
Markdownb1705926a1a94a88efcd0c74440f8a61b6db7d51c075fd5fb52467d4f46e32b9
PDF
Publication page54d62ecfa3f5166dac708382ecb6f8385678f0658d8e9bf4615d851135cbe515
Manifestbff9de808cc5b947f0f4d7b66fc85738524e1b062252f2af21845252c409f390

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
SignatureoIOnPt0f0p2G4hq4pbf3SlngR2NyHu493DpThpQesH40rUoaiEg4uH8Bs1Pr0D+L9qte/Tz/bK8LQYsm0PcNDQ==
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

2026-09-17T08:51:05.331953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066157
observed 54d62ecfa3f5166dac708382ecb6f838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:05.315146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066157/manifest.json
observed bff9de808cc5b947f0f4d7b66fc85738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:05.298929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066157/publication.md
observed b1705926a1a94a88efcd0c74440f8a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:05.280976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066157/publication.txt
observed bf7632dda66430341698c97b6502f314...
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.