OpenTechnical

OT-2026-000087914

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000087914) never changes.

Identity and time

Publication numberOT-2026-000087914 · never reused
Internal UUID01a0ae9b-1aa5-7962-8be4-faaf59021bd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087914
StatusPUBLIC

Content hashes

Canonical textdb0997623b29c044287c152b071a299ed55d11a3447f9a4a5a2a84da9804eb2d
Markdown20e33bd01246f1ec9574dc21c01d98f4e155fda04e0e8a8619848837be019002
PDF
Publication paged25789683a0398991f157a539d39099ed89a8de94fd868104a72ce9f119c17b2
Manifest3f293ec906071a2925b603e360a0cc4101441e4f6e93f735593b359a61bac2fa

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
Signature1VVaQB9mivgDM55snwv9OKOwJTYzTYz9qDWJzgjY4CdkIoAVfA1qhYCJ1QWF+c7XrXVB78TPDMzks4YkAiAvDg==
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

2026-09-17T09:49:11.950957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087914
observed d25789683a0398991f157a539d39099e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.932780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087914/manifest.json
observed 3f293ec906071a2925b603e360a0cc41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.915730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087914/publication.md
observed 20e33bd01246f1ec9574dc21c01d98f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.898651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087914/publication.txt
observed db0997623b29c044287c152b071a299e...
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.