OpenTechnical

OT-2026-000033547

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000033547) never changes.

Identity and time

Publication numberOT-2026-000033547 · never reused
Internal UUID01a0ae75-a38e-7371-868a-ec6f1d1d6176 · 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-2026-000033547
StatusPUBLIC

Content hashes

Canonical text62e7613ba839d1233a923247cfa217b536146e364e670ed849c4f9db4bad6697
Markdown6b581ea3ceab87d0b16033119d7ca518bda99ea7a326b0442e3b8ef33e4f93b6
PDF
Publication page758bbe028e40a444347f81b0eb847d20cc14c107658a7c1064cf2caf8822ff6d
Manifest5c9019189d7f10012212dc3957bb48975b90c63fcea0eb8800fb006834a29c53

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
Signature9gDoP34eNPpbKzapJ8v77vKnZipDORLet8MiasOfTO5BBILl/rl/82/5AD9ShR605/nbURKDUrP2zqU3w4qVDw==
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

2026-09-17T11:31:24.657970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033547
observed 758bbe028e40a444347f81b0eb847d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.641986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033547/manifest.json
observed 5c9019189d7f10012212dc3957bb4897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.624003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033547/publication.md
observed 6b581ea3ceab87d0b16033119d7ca518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.604758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033547/publication.txt
observed 62e7613ba839d1233a923247cfa217b5...
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.