OpenTechnical

OT-2026-000086419

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, sustained 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-2026-000086419) never changes.

Identity and time

Publication numberOT-2026-000086419 · never reused
Internal UUID01a0ae9a-2c97-71f8-8011-3c046c034682 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086419
StatusPUBLIC

Content hashes

Canonical text36f388093ea84ddb5fec0cad8b8e9979068411d377b9947b105b208191c2347b
Markdownbaafbb8c533edbe5627eecf1f1ba9c40893b42eef713e4b3e019bfee494c1b86
PDF
Publication page4b4bfd5df9a3ec14c987cdbbde2405d639a06ac6debbd738cef296078cbb0fb1
Manifestac46c026af0cf791648ff348a4218f0a2ddfda7b6880a48c4d45bfb4d22382a2

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
Signature8dB25VL5ySYDYEBYdSEC29GkZ/n0J4okxFKuOSLm1vKLlywMPw/3wo5e2FMej3FfPMAhG6S0RNL2OsTgihNnDg==
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

2026-09-17T09:52:12.755669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086419
observed 4b4bfd5df9a3ec14c987cdbbde2405d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.736759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086419/manifest.json
observed ac46c026af0cf791648ff348a4218f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.717690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086419/publication.md
observed baafbb8c533edbe5627eecf1f1ba9c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.700739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086419/publication.txt
observed 36f388093ea84ddb5fec0cad8b8e9979...
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.