OpenTechnical

OT-2026-000064623

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000064623) never changes.

Identity and time

Publication numberOT-2026-000064623 · never reused
Internal UUID01a0ae8d-deb8-7fe1-a3af-31ba2ecadbc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064623
StatusPUBLIC

Content hashes

Canonical textf407132c23e2835dc4e0331c60d8d861b734dfe026c04d1873b0674d3b2180b3
Markdownd6ca9b34e3695c7380114ee631966856166bc96f679f3cf7dfc18eb2e52a9353
PDF
Publication pagee52dbe790c7bfa74a9c278f567611094f269c8a168be96a5f50521ea99d5ad59
Manifeste9ef79118b271eedb91bc75bb6edec962985fb9a7e60709e289e869ee21f42ca

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
SignatureYc6eLqgXt3Xgk+3tIYqdMPAHZdfS1SINQNuJvDJO9exj1pexTwnJs4wyP7dVVJRy8xoTWw/ay3NHbqv6GSgEAg==
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

2026-09-17T10:35:24.195639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064623
observed e52dbe790c7bfa74a9c278f567611094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.175282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064623/manifest.json
observed e9ef79118b271eedb91bc75bb6edec96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.154919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064623/publication.md
observed d6ca9b34e3695c7380114ee631966856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.134706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064623/publication.txt
observed f407132c23e2835dc4e0331c60d8d861...
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.