OpenTechnical

OT-2026-000080061

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000080061) never changes.

Identity and time

Publication numberOT-2026-000080061 · never reused
Internal UUID01a0ae96-4377-708b-9f2e-806451d98c79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080061
StatusPUBLIC

Content hashes

Canonical text4db29b243646de1434909969bb01c3dfde81533bd9fb25600071a5fa83860325
Markdownd2c872c7744c702ed38df63da2a48e01e4c80fb7852962e38a3af0e1d9d21e07
PDF
Publication page86dd00f93d77d5b3ff11a2a775e6cf929c6404d85791a90909a9f018ec760907
Manifeste6cdebe6ffb64034daa01d04559753cfe4874e38d60a0903a19e657226905564

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
SignatureEPmq6QvTnJBGi/4cWo5+SIElslli/38634oaVewkR5BtgGyBg6vgRUnzwi96Ta2jDNQ/1j2fmmGJRzPpKNsfDg==
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

2026-09-17T10:03:59.563782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080061
observed 86dd00f93d77d5b3ff11a2a775e6cf92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:59.547570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080061/manifest.json
observed e6cdebe6ffb64034daa01d04559753cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:59.529276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080061/publication.md
observed d2c872c7744c702ed38df63da2a48e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:59.513365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080061/publication.txt
observed 4db29b243646de1434909969bb01c3df...
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.