OpenTechnical

OT-2026-000069219

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000069219) never changes.

Identity and time

Publication numberOT-2026-000069219 · never reused
Internal UUID01a0ae90-6dcf-7e27-94a1-0e43275d58a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069219
StatusPUBLIC

Content hashes

Canonical text1545a0627cada3bb14e4bb36cf07c21982abd4f7e7a7eb6dd3cf1208ff1bd96e
Markdowna5d57f20dbd8ff86ae9362ca235482687baa7d579db1c488b27c281d2163ca19
PDF
Publication page05eeb6f78dba1c4c023237b7bc3ed438dda62808f1b9c5e169de6fad6530a468
Manifest1bb1f4e47c011de5cdb1471ee5186729e342aa313b2678a82dc6dab47ffd2451

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
SignatureWdJy8cc2C+tCrXCjerRfVf8yUtQ2QSGbG3VFgXd9GufhGOXh3KO3+XGx9t/Q+m430PHjEboOjlTP7PF0NnpxBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:13.691097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069219
observed 05eeb6f78dba1c4c023237b7bc3ed438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.672822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069219/manifest.json
observed 1bb1f4e47c011de5cdb1471ee5186729...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.653478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069219/publication.md
observed a5d57f20dbd8ff86ae9362ca23548268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.634756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069219/publication.txt
observed 1545a0627cada3bb14e4bb36cf07c219...
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.