OpenTechnical

OT-2026-000063307

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000063307) never changes.

Identity and time

Publication numberOT-2026-000063307 · never reused
Internal UUID01a0ae8c-f943-795d-bdf9-3042d8feeb4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063307
StatusPUBLIC

Content hashes

Canonical texta6a0cf6ff78835752ade59a2d575fcdc083d92bb910803514d3635d014ab9af6
Markdownfc4945957cfc11413c0e07a945bce62662108ce04600c1f9cd376a5dc754e040
PDF
Publication pageb1cff6f45072fbec81cd7149013f5e6f27a589752726078f7b343c645be560ee
Manifestaff9a9ea305ccd260660729e6803d15ce81500418d3afd967a5b50d1f6ddd256

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
SignatureeGVnb2I8JWQ1PZBvFzPSL4k9gxNepXpqDzcsHiGXVwJCqW6e6W1JUDfbVTJWCrlus0ro5vNt1gZuD5AQ8Vg/Cg==
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

2026-09-17T10:37:11.723736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063307
observed b1cff6f45072fbec81cd7149013f5e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:11.706815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063307/manifest.json
observed aff9a9ea305ccd260660729e6803d15c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:11.689991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063307/publication.md
observed fc4945957cfc11413c0e07a945bce626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:11.672286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063307/publication.txt
observed a6a0cf6ff78835752ade59a2d575fcdc...
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.