OpenTechnical

OT-2026-000077665

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000077665) never changes.

Identity and time

Publication numberOT-2026-000077665 · never reused
Internal UUID01a0ae95-2ecf-7942-824b-44343af7cf07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077665
StatusPUBLIC

Content hashes

Canonical texte812c7f3833a2c578e10ffa269ad3010935181bc47e7bedfa7663feda950b43a
Markdownadf7cc81f6927a27a1f3f3c86587eb7f709235edd58bf018d345d00422851b56
PDF
Publication page65f33f136eb9f98e5c9ad24d17a127d2e76b3cb9962432afb22008ab22e818af
Manifest432fa0eba315f02e385cfc7d4f450c21091250d6ae8076215dad3043ec1e15cf

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
SignatureBsbfpfTalvE19yIxgZtEFbT4p3WN5bQXfu8OU7B7iz9eIFjRXY+mELmhsQ6v3ek8CTQbK0DpTmBQVs86t3mdCA==
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

2026-09-17T10:07:14.143334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077665
observed 65f33f136eb9f98e5c9ad24d17a127d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.123631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077665/manifest.json
observed 432fa0eba315f02e385cfc7d4f450c21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.104796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077665/publication.md
observed adf7cc81f6927a27a1f3f3c86587eb7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.084713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077665/publication.txt
observed e812c7f3833a2c578e10ffa269ad3010...
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.