OpenTechnical

OT-2026-000092908

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000092908) never changes.

Identity and time

Publication numberOT-2026-000092908 · never reused
Internal UUID01a0ae9e-090e-7f95-a64e-28d11c505d78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092908
StatusPUBLIC

Content hashes

Canonical text7ed906ce07c6719801b7fc058365dae26bee62553de161ed5e699cf2285053f1
Markdown97e57e892cbf2dde899c3a0c46946eaf367c63fe5a7073f858cabe859d8e8f2f
PDF
Publication paged49b055c7b8e0e5d7b7d793f8be4be1a856facfb8efdda61a0b58c762f61584d
Manifest4f995e6a82553a122dcc15e38871f951c28b96f09e55a311d02996b04e0d422f

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
SignatureHwmm7UNx3M0v0nkVFZQ5eIUuqfvA5GaflgdB9rFFK7VVY8yAQ+16lQYw01IYdsTYteuAMK8LN+N03PzkV6HaAA==
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

2026-09-17T09:40:01.454796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092908
observed d49b055c7b8e0e5d7b7d793f8be4be1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:01.437258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092908/manifest.json
observed 4f995e6a82553a122dcc15e38871f951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:01.419019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092908/publication.md
observed 97e57e892cbf2dde899c3a0c46946eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:01.400940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092908/publication.txt
observed 7ed906ce07c6719801b7fc058365dae2...
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.