OpenTechnical

OT-2026-000077812

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000077812) never changes.

Identity and time

Publication numberOT-2026-000077812 · never reused
Internal UUID01a0ae95-2ed0-78cb-8f13-d54d96f1ea2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077812
StatusPUBLIC

Content hashes

Canonical textf85dc78b0727bd07675e1d6681ea26e53f92da0fdeb138984032613d5aa436e3
Markdown6e95ab49f8d85aa75e358f5434c4dde14cfcf7230b58d607ffbd09785a022bba
PDF
Publication page9a2ecdf324655635b14c34b0c3a5e38e5939620656bb25d7fe2110d711c2ddb8
Manifestedf84aa6ec36ceda191e09e16550a758f28233951bc8578ba60ebe6f534d253d

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
Signaturet+rNMS/ftS38HPnXoUHvyJKsinx4bgIh/yA42/auYRzTYE160Cpksd49T2M7IEUwQwTTaGJl+ZmnQl45LQ2jAA==
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

2026-09-17T10:06:57.530663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077812
observed 9a2ecdf324655635b14c34b0c3a5e38e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:57.513332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077812/manifest.json
observed edf84aa6ec36ceda191e09e16550a758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:57.493427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077812/publication.md
observed 6e95ab49f8d85aa75e358f5434c4dde1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:57.475998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077812/publication.txt
observed f85dc78b0727bd07675e1d6681ea26e5...
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.