OpenTechnical

OT-2026-000013951

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000013951) never changes.

Identity and time

Publication numberOT-2026-000013951 · never reused
Internal UUID01a0ae6d-8dea-7a6d-a22f-d6f4ab8dcfdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013951
StatusPUBLIC

Content hashes

Canonical text7176e14f2e98709682ee3ed5c77a3021c40d593b61f84209fe2df22de3f00b29
Markdowne430e492ddefef450cf4d9db819d8fde7e9fe9e5990cf5ba1dd63d2615e5f6a9
PDF
Publication page7f871996efd28095cb15e29be1c34c1b1bbdac532fe0f13b2e1ae48fa988fc3f
Manifest0d82df7bd8de82f29cdc7be37086648ce31cce5c186b8befabdaa3551d4bd2bc

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
SignatureehuH3KBlhes0y7kquI7jCmf9uMcN5GBZw4aLCoVqt/r3TPjmYJa+jVi1MQX6lieOjYyNQO4WPq0OnkVt4X8vCQ==
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

2026-09-17T12:09:09.140979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013951
observed 7f871996efd28095cb15e29be1c34c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.120851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013951/manifest.json
observed 0d82df7bd8de82f29cdc7be37086648c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.098844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013951/publication.md
observed e430e492ddefef450cf4d9db819d8fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.078618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013951/publication.txt
observed 7176e14f2e98709682ee3ed5c77a3021...
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.