OpenTechnical

OT-2026-000099556

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold 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-2026-000099556) never changes.

Identity and time

Publication numberOT-2026-000099556 · never reused
Internal UUID01a0aea2-c975-72d9-b84e-6c15632386cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099556
StatusPUBLIC

Content hashes

Canonical text9575e1295a27d46dd86a0deb4e332513c2fe207b4f45216846b6528b28364f16
Markdown683265a2747afe3552b024c5828db4d5324578538517e8f3fd135ebe3c0dacdf
PDF
Publication page5b339bb73217d6609e975802be79a1bb9b5e8c6ec1a8cbb65cdff7559f24bb00
Manifest533742d4f1fdfc0738afd23cbaccdca945571c7f4c27fb0966e753c44e428e40

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
Signatureq6pppePl5wy1l9NeRb/BNw6Pjjdmun8Ngr+1bM4pQLmjxcuq5Wu1Phl0c9wCkna6yvMxy1VoCRYMHzBIAGtUBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:27.913482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099556
observed 5b339bb73217d6609e975802be79a1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.896483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099556/manifest.json
observed 533742d4f1fdfc0738afd23cbaccdca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.878501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099556/publication.md
observed 683265a2747afe3552b024c5828db4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.860663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099556/publication.txt
observed 9575e1295a27d46dd86a0deb4e332513...
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.