OpenTechnical

OT-2026-000050420

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000050420) never changes.

Identity and time

Publication numberOT-2026-000050420 · never reused
Internal UUID01a0ae82-5c48-7e8d-9988-2ed427f2624c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050420
StatusPUBLIC

Content hashes

Canonical text30f0f8c1603c90bf42c9f6169dfa47d2686b1665fdc6f2aba130e5d2f94b00d5
Markdownfacb729070ac9c8cc26282ef996b1aace811eefccbd87ce51f4db319e38a5fa7
PDF
Publication page140c482e7603995e70c52c6ae0cb9f1bf6e079fc9999d0144a963fb25feefca9
Manifest10db93a241ec370f776fcf89c95168d95f9b60a81f80c17fe6ce3dc73679e8cf

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
SignatureFw+YQOpvkQpVU/SDnORIzsJdLEmgogewxOfwkTjxmhmkpO8Ppl5OGx/JBp9uXwt0TJ9riKqrujo4TwIlgj/IAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:27.937741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050420
observed 140c482e7603995e70c52c6ae0cb9f1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.922008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050420/manifest.json
observed 10db93a241ec370f776fcf89c95168d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.905866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050420/publication.md
observed facb729070ac9c8cc26282ef996b1aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.888853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050420/publication.txt
observed 30f0f8c1603c90bf42c9f6169dfa47d2...
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.