OpenTechnical

OT-2026-000085826

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000085826) never changes.

Identity and time

Publication numberOT-2026-000085826 · never reused
Internal UUID01a0ae99-e829-7efd-a072-ab915b6bcd68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085826
StatusPUBLIC

Content hashes

Canonical text6637a63421e6cfcd67eae147095706ae8ef55a043c38ff688fe1bc907a1269b0
Markdown0a284fd275b33d494dda22da977bacb557456b5f916fe46019a27cef6f53a023
PDF
Publication page7538809c3959d9061cea7011eaf9b224d8a466921cfc9e8ca3b9d21d106c72fa
Manifest6ec1da44e402bc1f22e3ff063f115d3eb94ed51dec5ba391ef14d569427f6825

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
SignatureeweJXqleg1GxBhSNlyBjP51TDiShN8hxOn9N4nzs4ZDfETrtvczJLsCOchl7KqYFGnXt2jFJHQCJsu/uYUb2CA==
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

2026-09-17T09:52:44.887429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085826
observed 7538809c3959d9061cea7011eaf9b224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.869464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085826/manifest.json
observed 6ec1da44e402bc1f22e3ff063f115d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.853601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085826/publication.md
observed 0a284fd275b33d494dda22da977bacb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.837026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085826/publication.txt
observed 6637a63421e6cfcd67eae147095706ae...
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.