OpenTechnical

OT-2026-000063811

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, 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-2026-000063811) never changes.

Identity and time

Publication numberOT-2026-000063811 · never reused
Internal UUID01a0ae8d-53b7-78d7-ab41-b9fd1fc0c440 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063811
StatusPUBLIC

Content hashes

Canonical textc777681a55d97d59c29cbe33fe90b18f9fcc0f9db2a1b98c1941451c04aff684
Markdown49e12f9d61c1cd4a9131427e46c8c8aacd2aaccee98d23ea712d9d16d84aef7c
PDF
Publication page2d1a9c744b97430fd4062ab43cad11142a656fe88f563a0ce2fd9609db6512c4
Manifest0f661f58f7b68723ccba5dc5c4b45cd219bf92d14b13c046aec02a5b4080a752

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
SignaturedPg6H4aeIaX+CpMTIrFCJNxAodWhine3ABuAIhUERg90a18DfkpvQP4dDAYRtSArOM8mA9QCfC3KWzCixgONBA==
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

2026-09-17T10:36:49.797936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063811
observed 2d1a9c744b97430fd4062ab43cad1114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:49.770764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063811/manifest.json
observed 0f661f58f7b68723ccba5dc5c4b45cd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:49.751730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063811/publication.md
observed 49e12f9d61c1cd4a9131427e46c8c8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:49.732102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063811/publication.txt
observed c777681a55d97d59c29cbe33fe90b18f...
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.