OpenTechnical

OT-2026-000072752

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000072752) never changes.

Identity and time

Publication numberOT-2026-000072752 · never reused
Internal UUID01a0ae92-89da-71ae-b989-cb61107754b3 · 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-2026-000072752
StatusPUBLIC

Content hashes

Canonical textcbde9da3a7d38d8622d05c8a40c655a83ce1a1aa84b6239ee225902302ffca65
Markdown5491503dce8009232deb23dabec84711961ca2474f09e6838306639a63d8e3e2
PDF
Publication pageb3fe0e6fb048c0a55780b945e96148a6adacb0f4c9af1dbbb010f0234d952e5a
Manifestd80d1dc7e5aa763f58e023f66f7492365aad7023128cfe447fbc1f090ff64316

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
SignatureiXKFFlGHTcd8PFGMYPkve8RIHvB5hSmGWfnrWVvfTrCklOV5quZegIc8fH3NzBUC1e6jHgKi0p6EsU7TE8KCAA==
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

2026-09-17T10:22:39.555878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072752
observed b3fe0e6fb048c0a55780b945e96148a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:39.538808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072752/manifest.json
observed d80d1dc7e5aa763f58e023f66f749236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:39.521692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072752/publication.md
observed 5491503dce8009232deb23dabec84711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:39.503087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072752/publication.txt
observed cbde9da3a7d38d8622d05c8a40c655a8...
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.