OpenTechnical

OT-2026-000102135

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000102135) never changes.

Identity and time

Publication numberOT-2026-000102135 · never reused
Internal UUID01a0aea4-50f2-7b2e-8d1a-1a1c425e00ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102135
StatusPUBLIC

Content hashes

Canonical textf9972eb1ea51f38293097c634d3d03e6e9a9753c211181cbfe94d365eb42ae7d
Markdown75f5674a7d86c2eb15043636735e3eef87b8627ee9e31a21e14e1ea310d07579
PDF
Publication page329319e29f215917becf5fd8ca3e94840ac77edabe0192eb5bc1752e23dfbcae
Manifest85f902c888c5120169373c6e698f7ff3bc1a7aee56ebcfec12206550336f1f4a

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
Signaturep+vRAinrwupJySn6XK58uy04ShdPSnWg/cjRnLIoKGQpufSSMhaJxRCRWuA39cC+PuZxcNXC939hgqvalQmqAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:17.863497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102135
observed 329319e29f215917becf5fd8ca3e9484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.843225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102135/manifest.json
observed 85f902c888c5120169373c6e698f7ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.824185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102135/publication.md
observed 75f5674a7d86c2eb15043636735e3eef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.806331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102135/publication.txt
observed f9972eb1ea51f38293097c634d3d03e6...
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.