OpenTechnical

OT-2026-000066183

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000066183) never changes.

Identity and time

Publication numberOT-2026-000066183 · never reused
Internal UUID01a0ae8e-8dc3-7a47-b43d-3834be94969e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066183
StatusPUBLIC

Content hashes

Canonical text624296f4abed2222ec17663134156407d5a20ac563284d04386503316dcd83a7
Markdown5e9e9d6de5b370ceeb0f8058dd32004f6c748e4ae697cc3e56abe32052329272
PDF
Publication page1cc1c223d4e28604b699531eb3e267b34fbe976d52c2f3c02d2c9dc237fd0a17
Manifest5867031d83727a1ae9e571a81edb3774f98a413495f727fc9d2ea7856a82c560

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
SignatureqduueqpdP3IUjqWYygoOZLyEdio39gLGbsHQpjCGAradwSQzIQVz8kfqhGiuoZU9vKYKcA+mdiKdyN6WCRv4BA==
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

2026-09-17T10:33:19.830654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066183
observed 1cc1c223d4e28604b699531eb3e267b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:19.811214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066183/manifest.json
observed 5867031d83727a1ae9e571a81edb3774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:19.791519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066183/publication.md
observed 5e9e9d6de5b370ceeb0f8058dd32004f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:19.773862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066183/publication.txt
observed 624296f4abed2222ec17663134156407...
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.