OpenTechnical

OT-2026-000104481

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000104481) never changes.

Identity and time

Publication numberOT-2026-000104481 · never reused
Internal UUID01a0aea5-3422-7822-9aa6-e44434c6e9df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104481
StatusPUBLIC

Content hashes

Canonical textf709af380bc7ade9f42ff4af313f30bcb2b868118b1cfebdf8d6681d7cf902a5
Markdown8d61067b337a85235b85c3309c85cb8e9e11643388b50446418920d0eae2cbeb
PDF
Publication page0ef2201a3e3f02a33dea4c14b2625a72a1e95f21e2491353b98195dd193fe971
Manifeste2c9523b46c0b19469ffc073d481301c4b27a62b1a439038627f6f85174a1202

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
SignatureSmaqZzlXqD7U2gMfgTlFudFgV3GlLaryz4ey1Q+8MArwh1gkH+0gygLVKBmYgv3sxPl4/w5nj+m1VJ8BMfn7Cg==
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

2026-09-17T09:21:46.171950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104481
observed 0ef2201a3e3f02a33dea4c14b2625a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:46.092483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104481/manifest.json
observed e2c9523b46c0b19469ffc073d481301c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:46.073867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104481/publication.md
observed 8d61067b337a85235b85c3309c85cb8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:46.055511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104481/publication.txt
observed f709af380bc7ade9f42ff4af313f30bc...
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.