OpenTechnical

OT-2026-000050547

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000050547) never changes.

Identity and time

Publication numberOT-2026-000050547 · never reused
Internal UUID01a0ae82-5c49-7d01-ba1c-f60729372754 · 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-2026-000050547
StatusPUBLIC

Content hashes

Canonical text5c3b0418831fe4c7bf1dad5ffa0d2579778b5ae5ecf82adb6f29749585cc32ec
Markdown17689bfe6e8752099d4fd7906a2b6cca55ab52c14f406175329e7c5eae6eb2c6
PDF
Publication page1456bf5b0203719090b477bc174bdc5a93062f740c257af01dfc701e2ef1992f
Manifest81880956f831ed9706d795c26a91a1fabffe69be2352a923c706a17443034021

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
SignatureXgFRfu3Utmh0jwC23aHl4hKbRCY4gAhh9cLdniKm0xzm7EruQX607YMMUWq3RS/cIyAQJ8hELItuMf7vTfLeBg==
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

2026-09-17T11:01:38.674084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050547
observed 1456bf5b0203719090b477bc174bdc5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:38.658612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050547/manifest.json
observed 81880956f831ed9706d795c26a91a1fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:38.642297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050547/publication.md
observed 17689bfe6e8752099d4fd7906a2b6cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:38.625953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050547/publication.txt
observed 5c3b0418831fe4c7bf1dad5ffa0d2579...
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.