OpenTechnical

OT-2026-000050475

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000050475) never changes.

Identity and time

Publication numberOT-2026-000050475 · never reused
Internal UUID01a0ae82-5c48-7576-9875-abcd7b36a489 · 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-2026-000050475
StatusPUBLIC

Content hashes

Canonical text587f159aa81d3656def6574ffa73533448ec3f1acd0c3fa70a58852327603a21
Markdown6a81bfa83c91a6ab94de0162bce74c5910527a64fbba2324b9d5995a42e54b72
PDF
Publication page773674439e40686dd4d07cf40e1eb893f64981464b8f65d941ec9a69deb458c9
Manifesteb4adc32e09cddaeaee55267e3b102ea7abfbbeedf453acc91ed182c6b83704f

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
SignatureearLiSdbahMM1PIVfy6CT5uCARim/itEqcrM2M/+iLRz21lXG7Fo56rLwdN7AjfkbGhia1dMwfXT3u9/MzMABA==
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

2026-09-17T11:01:31.770972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050475
observed 773674439e40686dd4d07cf40e1eb893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.753450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050475/manifest.json
observed eb4adc32e09cddaeaee55267e3b102ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.736116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050475/publication.md
observed 6a81bfa83c91a6ab94de0162bce74c59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.718022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050475/publication.txt
observed 587f159aa81d3656def6574ffa735334...
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.