OpenTechnical

OT-2026-000090812

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000090812) never changes.

Identity and time

Publication numberOT-2026-000090812 · never reused
Internal UUID01a0ae9c-c010-7b67-8a9e-35bc06c27808 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090812
StatusPUBLIC

Content hashes

Canonical text9c1fd544ce7c58bc373067a6710a7c9907e50ab2d379a6361a85401fcfed6719
Markdownab25f89adb7495320c097ec5f11f5282e6356634fd959f6ca6762ee9fbec6760
PDF
Publication page844738ec799d05732b525561518d71c68436c85e688d2e2783b5045569e9169c
Manifestef073913b333d55beb767ea33c58c6b0a76e9b8222a7b4d3e35c047bd27ba90e

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
SignatureSMXlh2hoQdThrPxaeGaBTC7EtGgdn3DF+VB/aYHxoIBp0o5b3zeoOYLSIs7gQ4lpFsckSng2obJghrbSFzClCQ==
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

2026-09-17T09:44:00.146664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090812
observed 844738ec799d05732b525561518d71c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:00.130317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090812/manifest.json
observed ef073913b333d55beb767ea33c58c6b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:00.089191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090812/publication.md
observed ab25f89adb7495320c097ec5f11f5282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:00.045254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090812/publication.txt
observed 9c1fd544ce7c58bc373067a6710a7c99...
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.