OpenTechnical

OT-2026-000092828

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump 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-2026-000092828) never changes.

Identity and time

Publication numberOT-2026-000092828 · never reused
Internal UUID01a0ae9d-b601-79f3-8e2f-94a30f116b16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092828
StatusPUBLIC

Content hashes

Canonical text6013ece65a9d916558e9fadfbe41338a49ed9a90ac94265970c5fea1490cc791
Markdown6e3d5af50764c95008da4603dc44bd6dc097bc5a7dc9dea590745f9ea62d5d22
PDF
Publication page81f5b94e26b6f8991ebd4e1a0bd250ce99e5aa5e77723a31f817a5bed883692f
Manifest93e4bd0e91cd84f728b57763813b9fc6ee95bb4ff47d538c68d6ff9d79a58aec

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
Signaturek0usisKk5bGhDECPKNJ8SU+EueEnpqTzmi/AyZtSH4JnC3+a74axcGqOnsVJQITRMa5pdoStmaroBDc1uy30DQ==
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

2026-09-17T09:41:28.691882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092828
observed 81f5b94e26b6f8991ebd4e1a0bd250ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:28.672743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092828/manifest.json
observed 93e4bd0e91cd84f728b57763813b9fc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:28.656044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092828/publication.md
observed 6e3d5af50764c95008da4603dc44bd6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:28.638520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092828/publication.txt
observed 6013ece65a9d916558e9fadfbe41338a...
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.