OpenTechnical

OT-2026-000091697

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091697) never changes.

Identity and time

Publication numberOT-2026-000091697 · never reused
Internal UUID01a0ae9d-43b8-7262-af0f-f0af5e083ea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091697
StatusPUBLIC

Content hashes

Canonical text339675cdf49ef64fe8669f18268d6a4d8e54c5127d0fad2c03c6ec5036351733
Markdowncb4040197ec210a37fa83d2bcc85adf36ab8a05e0626dd443740c8ec081b0ac9
PDF
Publication paged60fc509ca87c1e0c3588a65e57642f21f4e03d57c5714c33aba914ba3dfbfc8
Manifest008e950168dd3ab17b8697a6bdd3494596d34a6026d95a12e193f1c4073f0d7d

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
SignatureUTiAu0a3kArMFv6/tp7YLowYqZQdPUvYXDyKp3/QDh4xaOzY9gBrV46iUJh3G12jiNS82I0HsPZVMK3crqwMAg==
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

2026-09-17T09:42:05.080201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091697
observed d60fc509ca87c1e0c3588a65e57642f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.065167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091697/manifest.json
observed 008e950168dd3ab17b8697a6bdd34945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.048690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091697/publication.md
observed cb4040197ec210a37fa83d2bcc85adf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.027215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091697/publication.txt
observed 339675cdf49ef64fe8669f18268d6a4d...
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.