OpenTechnical

OT-2026-000036407

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000036407) never changes.

Identity and time

Publication numberOT-2026-000036407 · never reused
Internal UUID01a0ae77-01d1-74c3-a6e8-c81eb7ea005c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036407
StatusPUBLIC

Content hashes

Canonical textb09bbade762591ca7e4e4d116a56a0eeedf3109d4e2400fa9d63c3313120835f
Markdown3950c8853f5e29cc4a14e6bba7c0c7f22cb27ddfc2cd0564b7fddb096a7de5c8
PDF
Publication page48ed56d499d907d91ed1f88f8e2a3c415615ec31f12d61e02a485c40921b102a
Manifest0c670ebd8fe2b3572238b207b30a5a6a275ebb31d14bf8eb6532534edf8a555a

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
Signature/O5xD5jzU8CGSPiqvQAq8jrpcioGenklnwXUuQhimvqPQ2CnwO9CCGDjD0ZU8Ik9/rWNb3uUGEMV7C/g/8EsCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:26:47.692353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036407
observed 48ed56d499d907d91ed1f88f8e2a3c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:47.676237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036407/manifest.json
observed 0c670ebd8fe2b3572238b207b30a5a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:47.658419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036407/publication.md
observed 3950c8853f5e29cc4a14e6bba7c0c7f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:47.640110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036407/publication.txt
observed b09bbade762591ca7e4e4d116a56a0ee...
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.