OpenTechnical

OT-2026-000085080

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000085080) never changes.

Identity and time

Publication numberOT-2026-000085080 · never reused
Internal UUID01a0ae99-43b8-7648-a446-67c0c99728d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085080
StatusPUBLIC

Content hashes

Canonical texta9842419e5f3fa44bedc8b260cd3101612f7bce358646a76816ad5e850fb8aa3
Markdownf92c32f31930d2e1c8f56852bc274aa3bb499c511d7ff0e474ebcf012fa2d099
PDF
Publication pagec41301b42aec9902ec8e0f6b4dc45d0337bc65fd38f3c20371a8c57d8c6e7da2
Manifestd9022a7d545ed6e4f54846b04bebea81180cabe3cf7d5a11be543536a84f4b72

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
Signature670xtMGhricsoJsQt6dY6+E8H3MxAmTZHNqMnEwdCBEtmosz7BBEyDRUr9/yjAO9korlmC/ap53DOMMWv7PJBA==
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

2026-09-17T09:55:08.443975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085080
observed c41301b42aec9902ec8e0f6b4dc45d03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:08.425219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085080/manifest.json
observed d9022a7d545ed6e4f54846b04bebea81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:08.407282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085080/publication.md
observed f92c32f31930d2e1c8f56852bc274aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:08.390176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085080/publication.txt
observed a9842419e5f3fa44bedc8b260cd31016...
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.