OpenTechnical

OT-2026-000102050

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000102050) never changes.

Identity and time

Publication numberOT-2026-000102050 · never reused
Internal UUID01a0aea4-50f2-7c42-8c26-d160338811cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102050
StatusPUBLIC

Content hashes

Canonical textf8f07bb0ec10046008c4352d6804489c46104a5216aaaa30f86dc4f3e2422f01
Markdownd2594436c20074c579a90234ab1a7cfb70879bc13e0d1d72173c15298734391b
PDF
Publication page98f58511b50f2147bcfd6402574fdb5763dcbc357c5dc198c13ab22295c2bdbb
Manifestf45ae4d5cc8a54efd112acfde3087ce33b189bcfd6b9684e3f025f8f5c737969

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
SignatureEp6LA+I2I8o3BvJ+c56MOcwGXlJzQzWNtPO7UC5HkGbKP27mxHfpBSqGbA3yM72v1YhEObTNxTY7dQtIwz0lAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:11.409856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102050
observed 98f58511b50f2147bcfd6402574fdb57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.392386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102050/manifest.json
observed f45ae4d5cc8a54efd112acfde3087ce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.375043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102050/publication.md
observed d2594436c20074c579a90234ab1a7cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.358650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102050/publication.txt
observed f8f07bb0ec10046008c4352d6804489c...
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.