OpenTechnical

OT-2026-000083723

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000083723) never changes.

Identity and time

Publication numberOT-2026-000083723 · never reused
Internal UUID01a0ae98-0417-7ac1-9e82-d642ae356b45 · 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-2026-000083723
StatusPUBLIC

Content hashes

Canonical text18efe4b57add38a4bb35d4573cf2c8ecfbaec653d453780837d9e6f860682381
Markdown0be2600e7923a27965127f40c362ff28e6d7b718a0889e4e66191717b60f7de1
PDF
Publication page7801c7a637e08652464b99bba8f4f62fd87f2ac00be77f5e1091b33835651d47
Manifestb607dc628db37fefc5294c37fae7b648e4528629fdd3aec11526c71418fcade0

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
SignatureZaj8OFFbX4kmElNAgbNIUUNK/HPs9vbO0iUsmMtRp1zYeL6RqI5Gd92pNIClsxdzAzEmv1sglSTxMZoq7So2Dg==
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

2026-09-17T09:57:21.363881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083723
observed 7801c7a637e08652464b99bba8f4f62f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.347873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083723/manifest.json
observed b607dc628db37fefc5294c37fae7b648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.330870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083723/publication.md
observed 0be2600e7923a27965127f40c362ff28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.314689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083723/publication.txt
observed 18efe4b57add38a4bb35d4573cf2c8ec...
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.