OpenTechnical

OT-2026-000050411

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000050411) never changes.

Identity and time

Publication numberOT-2026-000050411 · never reused
Internal UUID01a0ae82-5c48-7d2e-a059-2db417625cce · 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-2026-000050411
StatusPUBLIC

Content hashes

Canonical text513abcc9ae1e47fa109019817c40df4e5ddcabdda311ee152141de3d86962af2
Markdown61d3683b32313fd9483f33a9cd1edf5ddeb8587a1c07b1a3075c3cee8e842007
PDF
Publication page031f5ba63e053e867c6fffea4df90db7fa1d4ca54463206021fe9fcd9f23819d
Manifestdb7e8de74c690aa31940eea106f69b6bd2f4f8f5419991196c144d7a850e546a

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
SignaturejGeLqSmRBTufHRfd4SgViz3xsvuqYbzhG3ukuivO2lon6QxTS8Rda5EVNi/4Npwe4IGAUrMDgagShnWMNEZEDw==
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

2026-09-17T11:01:27.260612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050411
observed 031f5ba63e053e867c6fffea4df90db7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.244384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050411/manifest.json
observed db7e8de74c690aa31940eea106f69b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.227300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050411/publication.md
observed 61d3683b32313fd9483f33a9cd1edf5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.210174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050411/publication.txt
observed 513abcc9ae1e47fa109019817c40df4e...
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.