OpenTechnical

OT-2026-000085433

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000085433) never changes.

Identity and time

Publication numberOT-2026-000085433 · never reused
Internal UUID01a0ae99-aaab-7100-af3c-4bd2af8c1770 · 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-2026-000085433
StatusPUBLIC

Content hashes

Canonical text3787db9f7c41766f4858f207b9d3df9fa243a5b7b0e93f7bc023148e7331e12b
Markdownad7f6852a183adfb7da21cfe4618799c75d796a94cb5e58cefa3b8751d284767
PDF
Publication page479d4e83eadadc69c65d0916d115acba12c0e383e460510ac3413e3f64921f70
Manifestd61ff613c754c8632c60a6bdde708628de67e029f41efc052733b7467f91160c

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
SignatureQKvinrRxhnvpz7PGKomydgFm8Tjs3YA8GUp+k0pEy9/fDXft1CF0RMljYh0tjdin+2BE+61bn2ayDeY2V++9DA==
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

2026-09-17T09:54:12.782974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085433
observed 479d4e83eadadc69c65d0916d115acba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:12.766390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085433/manifest.json
observed d61ff613c754c8632c60a6bdde708628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:12.748569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085433/publication.md
observed ad7f6852a183adfb7da21cfe4618799c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:12.729452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085433/publication.txt
observed 3787db9f7c41766f4858f207b9d3df9f...
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.