OpenTechnical

OT-2026-000102063

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000102063) never changes.

Identity and time

Publication numberOT-2026-000102063 · never reused
Internal UUID01a0aea4-50f2-7695-92af-4c4664042cfe · 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-2026-000102063
StatusPUBLIC

Content hashes

Canonical text732be90c01f6cca9bd9f0e5af11e8b2f26a2396fc0bc202ef66e8043b4296fb6
Markdown1f0e10070249f02f523424340e6599ec1de6c00859cc79953f9cb9546e4a2b8e
PDF
Publication page341d41d77af14a66c064f6a4c4b0faf3cff9711a5659f8caad8e8612400b336c
Manifestef484987ea559ec5f2c9be5d611d16ceb55cb38e714300da7bdb0920f822ec83

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
Signature9XLYH1w2mv/dDKFtc4XyWEp3dKCP+uZrVeV4epGWhJdYpBhFojsf3jXX7/UbcOny/YWtAcox4oopD+vYN6NGBg==
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

2026-09-17T09:25:12.440798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102063
observed 341d41d77af14a66c064f6a4c4b0faf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:12.423487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102063/manifest.json
observed ef484987ea559ec5f2c9be5d611d16ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:12.407248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102063/publication.md
observed 1f0e10070249f02f523424340e6599ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:12.388505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102063/publication.txt
observed 732be90c01f6cca9bd9f0e5af11e8b2f...
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.