OpenTechnical

OT-2026-000033520

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000033520) never changes.

Identity and time

Publication numberOT-2026-000033520 · never reused
Internal UUID01a0ae75-a38e-7dc1-8d05-f5a8ae371272 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033520
StatusPUBLIC

Content hashes

Canonical textf246e567b123b59516adb7f6b0793cc223db86604ccf93976d7fa6e930967d3a
Markdown6d21fe1e1b2af9d6258d6b99a402d3c0413e04f14c44172dbfb3e273965c1aa0
PDF
Publication page0e268feccf3f50542b82cc5a8c80d8fc1372c386b6de812619fb3d482d0d2f62
Manifeste0c004f8de4bd609d673744456b73077018e0c0e7837e0c55cc2f677a63b3550

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
SignatureQuDYWhnwjnnGaBwo5BtwUE5d7JVVQkxbbSv3dYPU0APfF6wLHZHW+nciT6xFdUpaxCnrhFKMVjsu2tWafbfABg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:22.607213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033520
observed 0e268feccf3f50542b82cc5a8c80d8fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.592536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033520/manifest.json
observed e0c004f8de4bd609d673744456b73077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.573834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033520/publication.md
observed 6d21fe1e1b2af9d6258d6b99a402d3c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.556678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033520/publication.txt
observed f246e567b123b59516adb7f6b0793cc2...
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.