OpenTechnical

OT-2026-000077666

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000077666) never changes.

Identity and time

Publication numberOT-2026-000077666 · never reused
Internal UUID01a0ae95-2ecf-7808-9a30-b3b2dcc0c0b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077666
StatusPUBLIC

Content hashes

Canonical text53b385b5ee3d5ac6cf55de0517b64529a3d75e535dccb8462621ca112ad70a80
Markdownb8877b160dcf423fad943f3c87def60fa9e8ec98802bc173bc2dc73d9995cc20
PDF
Publication pagee6f694b65b75f1ce57c23ced876c545e7bfabe9583876fafbb40f3fa7b275e0d
Manifest8426e1ed64666191bec8d9124381037e1b0287b70ab220f3ed980fe870b0d364

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+vC7r+PfmcmQhJLebjLA630/+hHYWEZcwkYboGHJB4ziXL8eQxKZmDCQWUr5p3UW7VlvN+48a+Eobf620nGmAw==
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

2026-09-17T10:06:55.209594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077666
observed e6f694b65b75f1ce57c23ced876c545e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.192256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077666/manifest.json
observed 8426e1ed64666191bec8d9124381037e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.173616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077666/publication.md
observed b8877b160dcf423fad943f3c87def60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.153621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077666/publication.txt
observed 53b385b5ee3d5ac6cf55de0517b64529...
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.