OpenTechnical

OT-2026-000085431

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000085431) never changes.

Identity and time

Publication numberOT-2026-000085431 · never reused
Internal UUID01a0ae99-aaab-76fd-a725-bf67549e5675 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085431
StatusPUBLIC

Content hashes

Canonical text3890a32761b0addc945fe359c0c5fff5980b7af846a1f8ce455fbe18af3c3992
Markdown716cc01583048b52696e746139c6b40aeef0a01b445b650160ee37402087db11
PDF
Publication page53ec7203791a746a98b98208c86b1a576bd6f2b3da09f82097445f5c40d3232e
Manifestdbdc8db4f4dcb297773a0583adf0f211503b68581727fcb729cd9aeeaa8baea0

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
Signaturewy4x9mZHJBi971vvuBd7UCBhILYFT5q8AppV1dCXHkGSr4bd4xF06bikJ+G4nD8Ucxa+H883Ho1AAHEDYnO2Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:11.480502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085431
observed 53ec7203791a746a98b98208c86b1a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.462444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085431/manifest.json
observed dbdc8db4f4dcb297773a0583adf0f211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.442824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085431/publication.md
observed 716cc01583048b52696e746139c6b40a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.394575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085431/publication.txt
observed 3890a32761b0addc945fe359c0c5fff5...
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.