OpenTechnical

OT-2026-000083760

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000083760) never changes.

Identity and time

Publication numberOT-2026-000083760 · never reused
Internal UUID01a0ae98-0417-72be-bd41-8df97d1d7e65 · 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-2026-000083760
StatusPUBLIC

Content hashes

Canonical text42121172b3b1e5eae50c55fb7f7334174c6b34155486172d68b4d48b61f7ee70
Markdowna6d9d0f1bf774ee0ae8437a05ca7c564a95b217d932e79a96933b1ef0efc3750
PDF
Publication page549d34d9d9e380217adf770c48bf433115d1bbe82f726cb80b67b6183352876f
Manifestd48fb30e3159cbccced6abd2e6b991dca7812d5c3216b29a212f37f8c9d5b9c7

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
SignatureToLkr6O0zrVJrSDDIVEbQ16Tz/iwmeCvtAovOUWVWmpodVhcwzPkNYhdoO3pZEdSgLHPCIkxkVrmFDFerhdjDw==
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

2026-09-17T09:57:23.994961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083760
observed 549d34d9d9e380217adf770c48bf4331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.977621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083760/manifest.json
observed d48fb30e3159cbccced6abd2e6b991dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.958824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083760/publication.md
observed a6d9d0f1bf774ee0ae8437a05ca7c564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.942602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083760/publication.txt
observed 42121172b3b1e5eae50c55fb7f733417...
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.