OpenTechnical

OT-2026-000072566

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line 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-2026-000072566) never changes.

Identity and time

Publication numberOT-2026-000072566 · never reused
Internal UUID01a0ae92-89d8-787c-9f26-07d29695ed73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072566
StatusPUBLIC

Content hashes

Canonical text040cdb9d49d1a3ac3a775854cc7a20900668d3206325ac97dad89f2b75ff9277
Markdown70b3f18e3d98e04d53839e2117fa6776e270c869895b974ff4a49f00c3850613
PDF
Publication page4d07bc003e8f692eee2baf301032566ebf243cb7f63c6f2139d3b52b7b2f574e
Manifest59e50337de03f98c0194db101b70c45cc2645c7e2f72e9a36955a898a1b5a543

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
SignatureGTuHKme6CLLNe35KgJomOPk6wh1+hWdFqURw+GMv3F/Kz7+wCMHvkqoXgDPCVjp3jRShR03CpUQkpUgckDNWCg==
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

2026-09-17T10:22:24.244574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072566
observed 4d07bc003e8f692eee2baf301032566e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.227787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072566/manifest.json
observed 59e50337de03f98c0194db101b70c45c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.210983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072566/publication.md
observed 70b3f18e3d98e04d53839e2117fa6776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.193883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072566/publication.txt
observed 040cdb9d49d1a3ac3a775854cc7a2090...
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.