OpenTechnical

OT-2026-000102610

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pulsed 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-2026-000102610) never changes.

Identity and time

Publication numberOT-2026-000102610 · never reused
Internal UUID01a0aea4-858b-728c-84c0-571cfb6b5369 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102610
StatusPUBLIC

Content hashes

Canonical text8941d1c8e6e7ca57584b9c1807bf6bd5e8ffdac5b569958ae05513ba500ac5e2
Markdown7bd07bcbfc0648bd7c1ca28f73c2de1843c83bfc2fe249de0f4d5cf3f2567a43
PDF
Publication page5ab6196776170bb9084605d96ddfd70a23622c8b30a79ea5036f2747249d6e35
Manifest178ad1c635ae04014814143b09cd449e758955fa5d5a06892505b5bdc6309d03

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
SignatureB8/rmSKwM3exhuBBnoxxrhMv7v4OKeu8G6qZrL9Y/aKYe//t39el6vjkvZ0gG7ydJOE9SNu6izvZEAT3/ViICg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:06.008322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102610
observed 5ab6196776170bb9084605d96ddfd70a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.989862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102610/manifest.json
observed 178ad1c635ae04014814143b09cd449e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.971330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102610/publication.md
observed 7bd07bcbfc0648bd7c1ca28f73c2de18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.951131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102610/publication.txt
observed 8941d1c8e6e7ca57584b9c1807bf6bd5...
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.