OpenTechnical

OT-2026-000070247

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, 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-2026-000070247) never changes.

Identity and time

Publication numberOT-2026-000070247 · never reused
Internal UUID01a0ae91-545e-7b69-8e8f-e49e5a015388 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070247
StatusPUBLIC

Content hashes

Canonical textc7a422d1d2100e218237e3ffe8a5418a140a05445fd05c98ed2295417397092b
Markdown264becb6f526982fccbfab1d3723814b8992127d07a24ef63a2f172d1fd58ebe
PDF
Publication page494a1717b00bb587d83d6d5f753bbb880ac877ff5b3365f0fca85b809e1c43c9
Manifest69771a916f2b2a82660cd2d63eedd8d03ed3a558ab46f51c5783e5d57336987c

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
SignatureFRyd8ShT3UHKi7Olqc2xRf44k7k8oGyPuUTMcvT8rWH9RB0iv7QqWzsLxg5I8XdNSb1AEBUjzsH20QtWvd+PCQ==
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

2026-09-17T10:26:01.420362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070247
observed 494a1717b00bb587d83d6d5f753bbb88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:01.403936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070247/manifest.json
observed 69771a916f2b2a82660cd2d63eedd8d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:01.385482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070247/publication.md
observed 264becb6f526982fccbfab1d3723814b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:01.368762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070247/publication.txt
observed c7a422d1d2100e218237e3ffe8a5418a...
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.