OpenTechnical

OT-2026-000064231

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000064231) never changes.

Identity and time

Publication numberOT-2026-000064231 · never reused
Internal UUID01a0ae8d-a460-7435-b473-d61a0e3327b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064231
StatusPUBLIC

Content hashes

Canonical text8f21a0b36c08901d6981dfc3e138d5b4641ddc5b8afae290a210b5aef366c3ff
Markdown4b7fd465d011f34e342df06d9772ba8be5ef605b927faaab543966fa4f6b45fa
PDF
Publication page196470a30820f8b6462281b9ef7b67a0131c4e4cc049244e0e998090ca5e3048
Manifestc39fddb11148cc4ed04e3b4612af9f3ef129f450948d7e33ee35d1b15e081408

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
SignatureUoxhBqfpHgzXEGAJPOqBJ/pOL0F3b5XJFId2ukZdXzPJ63C2wXlFd4MMmSOTDLQpQ6ggZYcGeEQoTXHEnSx7AQ==
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

2026-09-17T10:36:21.426769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064231
observed 196470a30820f8b6462281b9ef7b67a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.409868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064231/manifest.json
observed c39fddb11148cc4ed04e3b4612af9f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.391462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064231/publication.md
observed 4b7fd465d011f34e342df06d9772ba8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.373001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064231/publication.txt
observed 8f21a0b36c08901d6981dfc3e138d5b4...
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.