OpenTechnical

OT-2026-000060228

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, sustained 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-2026-000060228) never changes.

Identity and time

Publication numberOT-2026-000060228 · never reused
Internal UUID01a0ae8a-5a73-7fce-acb0-177d57c8025a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060228
StatusPUBLIC

Content hashes

Canonical texte1fdcb1eebeec46905dc667caa7863eedbed932a3772f1913c4e4b0cd6df3a70
Markdownbef45e1338808b7345c0267bb8c8266cc3416d53889e1898b37009d0dfd0ec52
PDF
Publication pageeacde3fd7bf07c13ab65a6cda6f8fc007859ec8d7c633ca00157459d04b92672
Manifesta9840af36e698639e40173526f2aea03a9d62e21cf7425da9c15d02d76534823

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
SignatureRhWNKAR5jRM9TgMpnT3V+gOldsje4vxa7bZaXaUuG/8YOCt5H2G2GI+URuWj3lbZr2qb56Yazv1OyMCtDsS+DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:54.382318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060228
observed eacde3fd7bf07c13ab65a6cda6f8fc00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.357185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060228/manifest.json
observed a9840af36e698639e40173526f2aea03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.339448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060228/publication.md
observed bef45e1338808b7345c0267bb8c8266c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.311921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060228/publication.txt
observed e1fdcb1eebeec46905dc667caa7863ee...
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.