OpenTechnical

OT-2026-000024915

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000024915) never changes.

Identity and time

Publication numberOT-2026-000024915 · never reused
Internal UUID01a0ae71-2727-70c3-99e5-fb7b282cee84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024915
StatusPUBLIC

Content hashes

Canonical textabc0bc8b0e97f97f954e5421a7908f85a78fa0e43b2f957846e170a7c1dd23c0
Markdown4209744a1d633556d2071acaf8af91831caa4565e8f0c28977a634e0001064f2
PDF
Publication page6d6c836aea6d95328db6bc2903bd406c43f9a97432fa4d97b79353f1476fb8a8
Manifestaf0ca96fd1d0276fc53e6bf5872fcfb0fc45f58aba99fa1e85d55530b5fee062

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
SignatureiBaHZQSz88iN4LUJUqMpiIDZRj6yNqkCsc/ZZcAO2JRnKYSjKGJbc7t6sV08JwDutt3uoGlhrG6MMcwS+c/FCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:48:15.117477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024915
observed 6d6c836aea6d95328db6bc2903bd406c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:15.098961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024915/manifest.json
observed af0ca96fd1d0276fc53e6bf5872fcfb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:15.081084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024915/publication.md
observed 4209744a1d633556d2071acaf8af9183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:15.063455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024915/publication.txt
observed abc0bc8b0e97f97f954e5421a7908f85...
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.