OpenTechnical

OT-2026-000078433

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000078433) never changes.

Identity and time

Publication numberOT-2026-000078433 · never reused
Internal UUID01a0ae95-7c28-7d18-828f-fbf91866c67d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078433
StatusPUBLIC

Content hashes

Canonical textc581dba6d196cc9f66aad36c382d8aa3164d4bfd9abedcac4860bdf41d29c38e
Markdownda177ad5e912998b770b3adae4ff428529578680cb721d2d10a870ec031f97c3
PDF
Publication pagea5368cd41eede7d705f187289b0ea6286b9dd870c02ba670877a3e349c111570
Manifest383e3479fa90026ba6893e77622af32f9c773305ddb0268ac5c42b1f277660c1

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
SignaturePqnOUE87EgQQof0HM1cRh4Sh5Z9VAVONCAgy1VpI7tZQ98OftTEoP+9AZBBcB32imUtQuzjZTCJvKHY0xGFICw==
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

2026-09-17T10:06:25.826879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078433
observed a5368cd41eede7d705f187289b0ea628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.807836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078433/manifest.json
observed 383e3479fa90026ba6893e77622af32f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.789949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078433/publication.md
observed da177ad5e912998b770b3adae4ff4285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.770732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078433/publication.txt
observed c581dba6d196cc9f66aad36c382d8aa3...
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.