OpenTechnical

OT-2026-000086230

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000086230) never changes.

Identity and time

Publication numberOT-2026-000086230 · never reused
Internal UUID01a0ae99-e82c-72a7-9f70-18cf344ee6bc · 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-2026-000086230
StatusPUBLIC

Content hashes

Canonical textc72701230c447f77c39b36afab428f6710a77a98d1597c1d30cce52f31130c6c
Markdown979692ccbd23ebe60f1060d95db96b770ac4606a216c701181eabbe7920ae155
PDF
Publication pageaecaba462676ea4d4868c83bdd6ef72e7c3e5b4658bcd09f6ba283784dcf803c
Manifest7f7ca917c5f2b10b136ea0c47180dcf441963ee53875f111bdcebcab05e30929

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
SignatureIBSOUHzSUtfDiwr5JTn2YCT8F8uD4ch1SlSQXUD00AbjM4fdMq77vbZC1+FMVRi7vc91gAiqdh4Nva3oNpZfBQ==
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

2026-09-17T09:53:55.038798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086230
observed aecaba462676ea4d4868c83bdd6ef72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.021135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086230/manifest.json
observed 7f7ca917c5f2b10b136ea0c47180dcf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.002658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086230/publication.md
observed 979692ccbd23ebe60f1060d95db96b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.983832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086230/publication.txt
observed c72701230c447f77c39b36afab428f67...
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.