OpenTechnical

OT-2026-000026139

Publication integrity record

Foam pad vacuum gripper, three zone face, six 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-2026-000026139) never changes.

Identity and time

Publication numberOT-2026-000026139 · never reused
Internal UUID01a0ae71-a840-755d-944a-713e43e77269 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026139
StatusPUBLIC

Content hashes

Canonical text0676cee611b791ca9d03ca4cff756d0dc3186eb248184b5b97b5d21ddcf271f7
Markdown14c47f8e2b5286fbfb44046e28982747788525931d6d433b8cbbd3796818527e
PDF
Publication page6f3d96d58dece8cfda4cf3ea5738826eee31652b035009280e88e6f7fde09a44
Manifest2094b5e76d4f9bccec2c6ba761895597be01b671f0e350a09c97715e9b93b187

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
SignatureP9SUq+jz8h22+3IdA5VaXYKGPR2Y6m2qCD5ZOaphqLrlwIczEpLnJnTCeN9g/nu4skXyYyhG9uzzM1YdhIgJDA==
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

2026-09-17T11:46:38.790324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026139
observed 6f3d96d58dece8cfda4cf3ea5738826e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.762913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026139/manifest.json
observed 2094b5e76d4f9bccec2c6ba761895597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.746913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026139/publication.md
observed 14c47f8e2b5286fbfb44046e28982747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.731045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026139/publication.txt
observed 0676cee611b791ca9d03ca4cff756d0d...
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.