OpenTechnical

OT-2026-000085954

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000085954) never changes.

Identity and time

Publication numberOT-2026-000085954 · never reused
Internal UUID01a0ae99-e82a-715b-ac7c-e8e1c17da4cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085954
StatusPUBLIC

Content hashes

Canonical texteafdaca44e61315cb481409e08b8e20fb62857d01bd6edecfd87192f8bc6a8a6
Markdown99f027ac874650e0ada9847810d50e86f030c40bf9e1c4bb7c1df164ba1e18dd
PDF
Publication page37908715fa0ee7f6d564aa6e6ce55fd1c6f4c8b16ba6cc4c0c7dd551303de6b2
Manifestebd81fd5b05b727cc27cf5f754d7dcb4a9797b46bea067f473e3e608095115e7

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
SignaturecZYg3ubUv5oRfQ5t03nPi1FXwv1SaAm/mJvUrwrDAUZ9+Cj6b6TPM4/Y306BuuCo/nF1uENTmhUNmiwD+aMyCA==
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

2026-09-17T09:52:55.061724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085954
observed 37908715fa0ee7f6d564aa6e6ce55fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:55.041716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085954/manifest.json
observed ebd81fd5b05b727cc27cf5f754d7dcb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:55.021377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085954/publication.md
observed 99f027ac874650e0ada9847810d50e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:55.003378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085954/publication.txt
observed eafdaca44e61315cb481409e08b8e20f...
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.