OpenTechnical

OT-2026-000099880

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, sustained 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-2026-000099880) never changes.

Identity and time

Publication numberOT-2026-000099880 · never reused
Internal UUID01a0aea3-1473-7be1-8492-d0339355ebc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099880
StatusPUBLIC

Content hashes

Canonical textcacc94fe83c104192bdb9220989bcae418de366a58da43b02e445d87ad34966e
Markdownfaf778bfcc119d54e8d68773813b3cd0796c2a1162ed3a3adc91dba411e9f526
PDF
Publication pagecd967394796ed2df7438d5b70f4ba277cf09377f30fb055375cfb1008140edeb
Manifestc425813b24862e8d9fc20995075a772aa9b25e2bf2d71c03a48abc32fc0376b9

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
SignaturewI92L1KV7+0AWuUDlrIqCaQfYMrEGpElJhVtAsBYuBT74dFW+AFIpuE9F5ikSHPeO8E8FwdIYCdHizQVk9iTBA==
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

2026-09-17T09:30:30.508511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099880
observed cd967394796ed2df7438d5b70f4ba277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.491228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099880/manifest.json
observed c425813b24862e8d9fc20995075a772a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.473304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099880/publication.md
observed faf778bfcc119d54e8d68773813b3cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.452301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099880/publication.txt
observed cacc94fe83c104192bdb9220989bcae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.202793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099880
observed cd967394796ed2df7438d5b70f4ba277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.184040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099880/manifest.json
observed c425813b24862e8d9fc20995075a772a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.165381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099880/publication.md
observed faf778bfcc119d54e8d68773813b3cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.146919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099880/publication.txt
observed cacc94fe83c104192bdb9220989bcae4...
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.