OpenTechnical

OT-2026-000062752

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000062752) never changes.

Identity and time

Publication numberOT-2026-000062752 · never reused
Internal UUID01a0ae8c-6389-782e-a040-652dbe0b45d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062752
StatusPUBLIC

Content hashes

Canonical text2a4902d7721c17257ae5f0e99e339f3ca47c0f9f527ce62082eebb2edaa626a1
Markdown6fe35dcbee51f393d31f0c9b04dc9da9d647dcdc14fa382ef1c9e87112224948
PDF
Publication page3d32d52331ea490f4a9a86045fd20caf7c19ee36de5ca177a3afd4df39fa4904
Manifestd6abcaae443edd2930e98f1ad860ebe6b16a8e279ba4869fae04f1395b81bb0a

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
SignatureMhfm3HJqCDpgAS6evwzRu+9MEJf3Bb0TEIZEBkF8i0ZMNnYy4vvEusphiKUFbYWJsZHDW3iu0LFEsQxioAu/Ag==
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

2026-09-17T10:39:19.962946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062752
observed 3d32d52331ea490f4a9a86045fd20caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:19.944257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062752/manifest.json
observed d6abcaae443edd2930e98f1ad860ebe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:19.925605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062752/publication.md
observed 6fe35dcbee51f393d31f0c9b04dc9da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:19.905852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062752/publication.txt
observed 2a4902d7721c17257ae5f0e99e339f3c...
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.