OpenTechnical

OT-2026-000091064

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000091064) never changes.

Identity and time

Publication numberOT-2026-000091064 · never reused
Internal UUID01a0ae9c-c012-7063-ab6e-7b36aae76384 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091064
StatusPUBLIC

Content hashes

Canonical text06489423aa32c528d111676757ec41d89f9dcd4a02b61640ac92a5716ca72248
Markdowneb5c1e4d0a2da93782d55415a7abf3c8f02221fce3165b6dc21d47715a78f3ef
PDF
Publication pagea51be44b55f72c4f68bc2ad6703b11e647490fa8ff0812f6d007b7faa0f2b0d9
Manifest6868a2da0bcfa4bfd23f1504af186c8ce619b84e2370ea4b882e454deaf04923

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
SignatureKmyrqw2HN4wZ/5JpNkgCtMJmU67Ihs8hKA4vnROyckVvyCafH+Dmg1/U+R+PZmilmOY3QbzG2MCLyaE5F6BQAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:18.399673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091064
observed a51be44b55f72c4f68bc2ad6703b11e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.382272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091064/manifest.json
observed 6868a2da0bcfa4bfd23f1504af186c8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.366190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091064/publication.md
observed eb5c1e4d0a2da93782d55415a7abf3c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.348343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091064/publication.txt
observed 06489423aa32c528d111676757ec41d8...
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.