OpenTechnical

OT-2026-000033597

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, pulsed 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-2026-000033597) never changes.

Identity and time

Publication numberOT-2026-000033597 · never reused
Internal UUID01a0ae75-a38f-7d01-80b3-9fbf67be35ac · 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-2026-000033597
StatusPUBLIC

Content hashes

Canonical text91c9aec60c4e4de1fea5dd61d3694ff012ba249bf394119e758bd19497c65097
Markdown25d103ca817cf9ffd0810ade591984aa1c5b569d2689c4c44dadb5ea03ea1c66
PDF
Publication pagec7399cb0d81d56b645978a5a88078d02f17b5f3b854f8daa6d28edd1760990a5
Manifestaf6402b3d6edd8b26d5a61bbb3288127e9899c22104c5038aec15a3278194cc4

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
Signature82MZXgG8pQuS6ne2heM1X80xjanMDD9LwlHfqv8fv3kfQv0SD/HNvb/Mz71mF9TR1aUHr6bavej+K8pZ4r+OBA==
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

2026-09-17T11:31:33.648795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033597
observed c7399cb0d81d56b645978a5a88078d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:33.527600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033597/manifest.json
observed af6402b3d6edd8b26d5a61bbb3288127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:33.265359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033597/publication.md
observed 25d103ca817cf9ffd0810ade591984aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:28.488789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033597/publication.txt
observed 91c9aec60c4e4de1fea5dd61d3694ff0...
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.