OpenTechnical

OT-2026-000075518

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000075518) never changes.

Identity and time

Publication numberOT-2026-000075518 · never reused
Internal UUID01a0ae93-f202-753a-b374-1ceb2f208272 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075518
StatusPUBLIC

Content hashes

Canonical textc76c933d01ac716389e175f90afd3a5b77b2ff05f901af449e71a74beebc782e
Markdown53abbae2869239d491b1cc036a147c2274ad07c807ce265b82f264b961de779a
PDF
Publication page7dd4099bc57d06172eab448f9d1fd1dbff5318875ad29d62f5b797ce16bcd350
Manifest3bfe09e34b838eeef856f2f9762f9edc6122fe40f8454337e58e6df40ac8474a

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
Signature3diZ1LLsj6vS7tkMy3G3Jdw38EhVH8vLsn8xTjxlAtMY+OBXLHIcyPMBCjUXCHnJkEo+ejQot+cgiR1X9o5yCw==
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

2026-09-17T10:17:58.481470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075518
observed 7dd4099bc57d06172eab448f9d1fd1db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:58.463447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075518/manifest.json
observed 3bfe09e34b838eeef856f2f9762f9edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:58.445565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075518/publication.md
observed 53abbae2869239d491b1cc036a147c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:58.306235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075518/publication.txt
observed c76c933d01ac716389e175f90afd3a5b...
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.