OpenTechnical

OT-2026-000059821

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000059821) never changes.

Identity and time

Publication numberOT-2026-000059821 · never reused
Internal UUID01a0ae89-ec25-75ff-bf95-4d0ef622ee57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059821
StatusPUBLIC

Content hashes

Canonical text20e8db0c489b3a3dca0da0aeb7954448219b3ff400fdaff24aebee706a595b02
Markdowned0eb9f21c39e2e415153140f57c3f9f793c9185c4cca4aaf82f7bb1cc3c92a8
PDF
Publication pageebb5f834cba93f174583367e8d4a7be596de8ddd5e9ce12ef9be3516682b02e0
Manifest06a49f7aeb96101c0598047e05852c54c84e10d70ce77e2006f9c72dad4f69ee

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
SignatureupHG80vpSMxg5jnwrtrddJ0OlNKXChHhqMz2v1v+DLAJqfVC500TzhrU40juwRVNX1ttg7K/faBR3B872AWcAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:33.824700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059821
observed ebb5f834cba93f174583367e8d4a7be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:33.806498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059821/manifest.json
observed 06a49f7aeb96101c0598047e05852c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:33.788612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059821/publication.md
observed ed0eb9f21c39e2e415153140f57c3f9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:33.770793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059821/publication.txt
observed 20e8db0c489b3a3dca0da0aeb7954448...
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.