OpenTechnical

OT-2026-000050347

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000050347) never changes.

Identity and time

Publication numberOT-2026-000050347 · never reused
Internal UUID01a0ae82-5c47-74f1-9ae7-978c181c3f6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050347
StatusPUBLIC

Content hashes

Canonical text267ec571bfe0fd694e64794a4ddadaceea6a9fee8ae4d998f160364aff0557c2
Markdown97ac65c845cda652131e5b8a2cf4473f88f9907cfe871708e7e0d47d1ed14d67
PDF
Publication page08ab3947c7cb710fef1c2047d67bf931728fa86190bf7f40216f5605cfcad8e7
Manifestd94e7335eaf0bd7789a84ec3e6dbdbc646703cbdfc0e2837f8e3ee590221610a

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
SignatureGMLSvWo+HN21I15vzb/T7uY4nHCvkUUrf0gBRUQYfQrmWrJF/DdybMtjoLdWXZGtV+dS1VqedxjaDKgZrvlRAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:22.568509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050347
observed 08ab3947c7cb710fef1c2047d67bf931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.552878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050347/manifest.json
observed d94e7335eaf0bd7789a84ec3e6dbdbc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.535744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050347/publication.md
observed 97ac65c845cda652131e5b8a2cf4473f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.519336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050347/publication.txt
observed 267ec571bfe0fd694e64794a4ddadace...
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.