OpenTechnical

OT-2026-000085457

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, sustained 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-2026-000085457) never changes.

Identity and time

Publication numberOT-2026-000085457 · never reused
Internal UUID01a0ae99-aaab-7511-a27e-66c3d1971abb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085457
StatusPUBLIC

Content hashes

Canonical texte495c95676144a68e93e7750f767599a2e74381a0afbc4fb2ced8ed99fbb5bb2
Markdownefa3eaf05951c11c64980b9c6019b5918b34c4bd49b2085c09b9265a9a7b5e18
PDF
Publication pagecc368cb1ac8d8cfd0c5e46ae42928bd3af7d9be4137aca15ffc4554fe7ac7ba8
Manifest25660fc81258afdb0ed8ffaf2accdd2fc0fb3287863eaa44ebad705d564a1857

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
Signature954iL9JjTNcXhMb2GwwOwqHieb2DHW3y1NGNLY/KRUd7U13WvGBvlne+42fmmPg1CQezNfoqHb3wOFPu2CebCw==
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

2026-09-17T09:54:14.862422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085457
observed cc368cb1ac8d8cfd0c5e46ae42928bd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.842793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085457/manifest.json
observed 25660fc81258afdb0ed8ffaf2accdd2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.825785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085457/publication.md
observed efa3eaf05951c11c64980b9c6019b591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.807071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085457/publication.txt
observed e495c95676144a68e93e7750f767599a...
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.