OpenTechnical

OT-2026-000056900

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000056900) never changes.

Identity and time

Publication numberOT-2026-000056900 · never reused
Internal UUID01a0ae87-7af8-7eeb-9527-9de7ab31a123 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056900
StatusPUBLIC

Content hashes

Canonical text5bbe635ec909f38adaccf3452fe635a6cd516b078346cebd1299adc84d65536d
Markdown9c60f71ab361965f6a5c766e84c141a4d81557006f642b3698286fb0ba842bd9
PDF
Publication page541f38836f9012c11e287193687d0c5465318fe395471151df397533109b6424
Manifest213f07b475fe18d92d333be512cf9ca2cc0c27cdb78b50275e2a1754dc4c66a7

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
SignaturehCRowQCM+rq0UNx8PxCa3fkev5K8fRj3ZlVtwuHhXh+9K8dZTbRldtMjvP+M9iDdVU1TdQO/Z3JXwJfVldApDQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:26.276400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056900
observed 541f38836f9012c11e287193687d0c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.258741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056900/manifest.json
observed 213f07b475fe18d92d333be512cf9ca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.241976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056900/publication.md
observed 9c60f71ab361965f6a5c766e84c141a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.223065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056900/publication.txt
observed 5bbe635ec909f38adaccf3452fe635a6...
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.