OpenTechnical

OT-2026-000083759

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, sustained blow-off before set-down

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-2026-000083759) never changes.

Identity and time

Publication numberOT-2026-000083759 · never reused
Internal UUID01a0ae98-0417-71ec-915f-3f99cb36a5a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083759
StatusPUBLIC

Content hashes

Canonical text33188f8c4de020e91369bcec95eb4d6737d55b998b8eb9b256a093ef7c7c0375
Markdown63dc0f77eae2a2d5fafc8e001500498cd5a616f2032cdacc1f304b3b3c687349
PDF
Publication page735dcc860a5af6a794ede8e1d51cbe8f12becbe68bd289d9086ee1b5dff7715c
Manifest2939376a0cef40a1d279142d7877f58051f73a4bf36912a4b551ff97885a2873

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
Signaturec7lAQ+LvZ2rIm/EdzMOIP7oSq43/6q9byEP7LJ2GMjOAQ3JxjBCmhtLa9dQl4mXr6G0AYaWSwT/6KbouEeTzCw==
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

2026-09-17T09:57:23.923279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083759
observed 735dcc860a5af6a794ede8e1d51cbe8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.906624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083759/manifest.json
observed 2939376a0cef40a1d279142d7877f580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.890346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083759/publication.md
observed 63dc0f77eae2a2d5fafc8e001500498c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.873081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083759/publication.txt
observed 33188f8c4de020e91369bcec95eb4d67...
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.