OpenTechnical

OT-2026-000067232

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000067232) never changes.

Identity and time

Publication numberOT-2026-000067232 · never reused
Internal UUID01a0ae8f-6bd5-72ce-912a-45c7410db487 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067232
StatusPUBLIC

Content hashes

Canonical text3129165dd9796223f9933ab481ba8ccdb07ed4d743f767801fcd2667724a18de
Markdown7f05b7339019676efb59982b842e67be69c6101cbe0687f47c50a67aeb391550
PDF
Publication page9735e098c2b2fbf0eda2deb62e7f3dcbe6cf341f394d08361559adc756eee68a
Manifestaf36383e798d95da70542461f12c102883040aa996475eea6f198679a89c2f86

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
Signature62XamFGXUcxehkSLolO0eWJCUvV95x2XoQF2CW94rcAKupBFcFOYtCpBGIN1284QOgBCui0IFkr0AfsKXJWRCg==
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

2026-09-17T10:30:54.118463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067232
observed 9735e098c2b2fbf0eda2deb62e7f3dcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.101385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067232/manifest.json
observed af36383e798d95da70542461f12c1028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.082104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067232/publication.md
observed 7f05b7339019676efb59982b842e67be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.062888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067232/publication.txt
observed 3129165dd9796223f9933ab481ba8ccd...
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.