OpenTechnical

OT-2026-000085450

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000085450) never changes.

Identity and time

Publication numberOT-2026-000085450 · never reused
Internal UUID01a0ae99-aaab-7683-8299-d5fec49ac2bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085450
StatusPUBLIC

Content hashes

Canonical texteadb03496f59380ca5f6311fea106b55b144db9df314cb1da26ab7e1f8081d43
Markdown70214b43ca4ec15b69c3dd6678fdf5d91470c5c8c9d2d873b2f23e7e5d3ea3bc
PDF
Publication pagec00b8cc6268f2cbf2f90922f4aa58d963d8934f30f5f28e3da4735f0f2bcf9f6
Manifest31587dcaddab91a5db6d1ca861dfa9ed90c50af3ba28398c738c273c91c1b0d0

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
Signature/kELDEroozZv4AMK0M8F/Q2hu8RS+/E49bcKs5nj4eR6u2me5Y6m3WN+GqFIeGl4XuDlfDROQjk8ABL+yCofCQ==
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

2026-09-17T09:54:14.287516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085450
observed c00b8cc6268f2cbf2f90922f4aa58d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.267926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085450/manifest.json
observed 31587dcaddab91a5db6d1ca861dfa9ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.248691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085450/publication.md
observed 70214b43ca4ec15b69c3dd6678fdf5d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.230356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085450/publication.txt
observed eadb03496f59380ca5f6311fea106b55...
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.