OpenTechnical

OT-2026-000063956

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000063956) never changes.

Identity and time

Publication numberOT-2026-000063956 · never reused
Internal UUID01a0ae8d-53bc-7290-ba38-0443bc223dab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063956
StatusPUBLIC

Content hashes

Canonical text307e8e829e1350c6dab6881429718c6b8451d2e0b34fff42afe5660379b3cb64
Markdown9f750c4a24f7d26709b20d576dd329816603950f6057131a70c19a750c9623bb
PDF
Publication page38a591b6acf56ee8e60383273c85399a6b4df5ff612e91ed11a2b04cc6a01f4d
Manifest36c69eb98f93e33bec1302119d5b8ee2bb10525076e20cebd5dce08f18865339

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
SignatureaE9xDyL7K9huFAxJ1MJ7aH0FlwfiHofG62tWgwu8jNR/Ymm5twnrC3hnuEy2TooOcA5FlB8Jwi8+kY7pTC7pDg==
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

2026-09-17T10:37:01.102137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063956
observed 38a591b6acf56ee8e60383273c85399a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.084362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063956/manifest.json
observed 36c69eb98f93e33bec1302119d5b8ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.065811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063956/publication.md
observed 9f750c4a24f7d26709b20d576dd32981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.048087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063956/publication.txt
observed 307e8e829e1350c6dab6881429718c6b...
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.