OpenTechnical

OT-2026-000071340

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000071340) never changes.

Identity and time

Publication numberOT-2026-000071340 · never reused
Internal UUID01a0ae91-e0ec-7004-99f1-79ce75acc233 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071340
StatusPUBLIC

Content hashes

Canonical text9432f5d76024722bda0cd55aa4bb7f591f6020f68ab7af869119ee6c41434b0f
Markdown5764669856dd3ef743e802582ca545c699db0971246d708339ad619f23fa00bf
PDF
Publication page778f412eab677e5845885676d69d24aa84e2ba8dd8c632fc91500e257d83cb41
Manifeste641ed600428ca5d3f11aa127736aac234ed3ca62bacf8ad5c34c3945c47a04e

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
Signature2zvzkqqAdKKCAyIpgJQZL1g2XdVoy7MChCnna2CQNOpsOZVkwAj756rPKJiDO+WToOA9EmRy96voHSglcK4cBA==
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

2026-09-17T10:24:56.409356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071340
observed 778f412eab677e5845885676d69d24aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.393343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071340/manifest.json
observed e641ed600428ca5d3f11aa127736aac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.374734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071340/publication.md
observed 5764669856dd3ef743e802582ca545c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.356253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071340/publication.txt
observed 9432f5d76024722bda0cd55aa4bb7f59...
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.