OpenTechnical

OT-2026-000013454

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000013454) never changes.

Identity and time

Publication numberOT-2026-000013454 · never reused
Internal UUID01a0ae6d-6fca-7144-b889-09191b3d0a3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013454
StatusPUBLIC

Content hashes

Canonical text688dd5b69180f5f5eaa327a62c9d1c1b3b741f85741db4d703d7b27563b923bf
Markdownb23f4dbba45334d15d9811bb701ab5068be9fa3e36ee153e305691568cc12a5f
PDF
Publication page1cff97c5482f8d1b01d22c1c2be8b67ae97a79293a60c1aee77f7a969b007433
Manifest3ddb285050c328efd07843ae0b31af0f98ef1d066a02234a2094e78b89eca132

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
SignatureWjJQsda+bVWvh9qAhlcYNhVP4Qdv1PW4q9s62aFzuZhcUaciza2bj4elqzaXz+/SzIHIj3YQxi49V3T1pKdABA==
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

2026-09-17T12:09:56.873653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013454
observed 1cff97c5482f8d1b01d22c1c2be8b67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:56.852494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013454/manifest.json
observed 3ddb285050c328efd07843ae0b31af0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:56.832535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013454/publication.md
observed b23f4dbba45334d15d9811bb701ab506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:56.812148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013454/publication.txt
observed 688dd5b69180f5f5eaa327a62c9d1c1b...
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.