OpenTechnical

OT-2026-000013719

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000013719) never changes.

Identity and time

Publication numberOT-2026-000013719 · never reused
Internal UUID01a0ae6d-8de8-7f82-94b0-fee70a19ada7 · 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-2026-000013719
StatusPUBLIC

Content hashes

Canonical text411dde62656cd329291fad10ff0a25ee9d3ac78139cfe173e368bedb4be22d24
Markdown9b07b2e1f158e6f71e0a06cd5e18d7c966e5cbb3f4682d75f0e7d3fd57732cff
PDF
Publication pagefef9fae7df7fa0b57c586e3b5ce35817fef8334c2d415582b9a288940fb9d3de
Manifest1572351f47101a2dfa1f68b27c5d497645ff72e8483fe4aef71acb5dcab97e22

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
SignatureJnZXe7CkuxB2w1yMBvKTg3FaMoEayIsY97zr92wpaGBd4j58nRB5eD69gZnUDm26a01OPVr8yPR9KljYCYfZCQ==
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

2026-09-17T12:08:40.916116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013719
observed fef9fae7df7fa0b57c586e3b5ce35817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:40.898218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013719/manifest.json
observed 1572351f47101a2dfa1f68b27c5d4976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:40.880362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013719/publication.md
observed 9b07b2e1f158e6f71e0a06cd5e18d7c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:40.862537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013719/publication.txt
observed 411dde62656cd329291fad10ff0a25ee...
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.