OpenTechnical

OT-2026-000087125

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000087125) never changes.

Identity and time

Publication numberOT-2026-000087125 · never reused
Internal UUID01a0ae9a-9f2d-7e74-950f-fcc9c710af08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087125
StatusPUBLIC

Content hashes

Canonical text5d8ab24e2f8752f35dea7db3f97bbf73da3bcbfe7ad3d57575c56a3103d3f445
Markdown2e5bf75013bb2d91deb553e33fe530623ccb7b71fa878e92a603f2c2ff5a6e10
PDF
Publication pagec92ef5578c5ae52de22c1eb1199c5bbc7f5731a682e90585d5ba41e401a78923
Manifest0f16fdbb3e27913693428ae4f4632c69a05e9d81dba2e43fd6c084a4179f7dde

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
SignatureVSoTO7adHmojbb2EqZQX7+BZwSS+nhyiI4UzCvQAJWfXIKhlehXXOJ4rMyuGogHQmtoK525L6XHPiq1gL6upCw==
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

2026-09-17T09:51:23.281631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087125
observed c92ef5578c5ae52de22c1eb1199c5bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.266787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087125/manifest.json
observed 0f16fdbb3e27913693428ae4f4632c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.252065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087125/publication.md
observed 2e5bf75013bb2d91deb553e33fe53062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.236028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087125/publication.txt
observed 5d8ab24e2f8752f35dea7db3f97bbf73...
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.