OpenTechnical

OT-2026-000085930

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000085930) never changes.

Identity and time

Publication numberOT-2026-000085930 · never reused
Internal UUID01a0ae99-e82a-71e3-a817-30c259f0af56 · 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-2026-000085930
StatusPUBLIC

Content hashes

Canonical text2b6519716311a093c1edd720224503258ca55ad64eac1b22709ce8f29fa7eebc
Markdownd702280439a50b9616e6cdbd6a018fddaaaa8dc1933ae1989c3f3a71aafe71f2
PDF
Publication page556efdba09275d7cb6980e432c8dcd0ea9fdbfc744c1b392ac9e2464c0c07cd9
Manifestd91516cef466cf0ad0acf7e03677fecf353e4217bed60af3ef3842afceae55b0

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
SignaturetML6oLOvBjSL1Xa15EAmFNK5NfetR9P2SSL0CKL8mBZC5QqozR27hVRm5uVNsgNxaagBUNYorPSnr8mKlp0JCA==
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

2026-09-17T09:52:52.926587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085930
observed 556efdba09275d7cb6980e432c8dcd0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.909816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085930/manifest.json
observed d91516cef466cf0ad0acf7e03677fecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.892666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085930/publication.md
observed d702280439a50b9616e6cdbd6a018fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.871339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085930/publication.txt
observed 2b6519716311a093c1edd72022450325...
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.