OpenTechnical

OT-2026-000081202

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000081202) never changes.

Identity and time

Publication numberOT-2026-000081202 · never reused
Internal UUID01a0ae96-f373-7d4e-836f-b41bf5517eec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081202
StatusPUBLIC

Content hashes

Canonical text2ed886f5d9141348cb17e51a5067c9400abbe16daae93225debb162e3c969104
Markdown408d3ce9cd5db7ab3bb36164ee1ac995e244eff5f11b6e9ec153ed282ef3eaf4
PDF
Publication page5ff21ef7cace5298b784bf7afab062f4d73992510094b23c27a017be7ddc30ad
Manifest2b7971372b341dfd41398f92daa2371427b24e70914daade50f84e1ad6757882

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
SignatureN1OjHF6NPHZDTxaKtwwBFQUY1/JQwvK+uQNVrw7JnKV5S0Yk81B3AvzkjLGG2vOH8vqIZ7ctsBIW7nROd/QfCw==
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

2026-09-17T10:01:16.544249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081202
observed 5ff21ef7cace5298b784bf7afab062f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.526446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081202/manifest.json
observed 2b7971372b341dfd41398f92daa23714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.509735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081202/publication.md
observed 408d3ce9cd5db7ab3bb36164ee1ac995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.491826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081202/publication.txt
observed 2ed886f5d9141348cb17e51a5067c940...
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.