OpenTechnical

OT-2026-000095420

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000095420) never changes.

Identity and time

Publication numberOT-2026-000095420 · never reused
Internal UUID01a0ae9f-8f72-7721-8228-c9a8d5731c97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095420
StatusPUBLIC

Content hashes

Canonical textc964fbabffaa531bc749cbd50e8b5c8271b333b61c214506f5804cdaf5a3ddb1
Markdownb84aae889bd53b664e29a519a7433ea6c073770df13abc8264063728ca69ff7d
PDF
Publication page08b8b1362f4eee97c41274105e07d71c6debca965f55a567bb2206203f779202
Manifeste7a579915b5cf46711aad29e2a829bf026a57366a62ccfb13d2869bfd0ad6196

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
SignatureIVY4aWIbVoeOUkLgC55lYrroY+woheRlwu5332leBV2GMdTcEmhXKMRZIbY3u1IDkd+52IFQveH7bTWLrgrcAg==
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

2026-09-17T09:36:47.935859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095420
observed 08b8b1362f4eee97c41274105e07d71c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:47.919694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095420/manifest.json
observed e7a579915b5cf46711aad29e2a829bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:47.901946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095420/publication.md
observed b84aae889bd53b664e29a519a7433ea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:47.885227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095420/publication.txt
observed c964fbabffaa531bc749cbd50e8b5c82...
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.