OpenTechnical

OT-2026-000086669

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000086669) never changes.

Identity and time

Publication numberOT-2026-000086669 · never reused
Internal UUID01a0ae9a-2c99-714e-afbc-ddaa1da0d973 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086669
StatusPUBLIC

Content hashes

Canonical texta78fad502e99f0eb02fee87290b984981f37558ecba418306c6fea4b914a5c65
Markdowna9c3d866e621636a538d1eb0e29092ceb57568e1569a060f9cae88c1eac5f039
PDF
Publication page5dd7f6ad8346077a29d5f530d84eb6a04004291c0daddf4842d06495bc7654c3
Manifest80c72a17ff799c7fc964bd4d1cd8389d518a4f8f7ea90c2855fb5b834809718a

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
SignatureRZ3PgVtB9vgYQocbH+rUWQXh78kel5OPN8qSMcic+9FXuN1s29hhTi8KtSfBkHKl5DOGvjunh3q/HLBj6NVHDw==
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

2026-09-17T09:52:31.948767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086669
observed 5dd7f6ad8346077a29d5f530d84eb6a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.931038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086669/manifest.json
observed 80c72a17ff799c7fc964bd4d1cd8389d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.913774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086669/publication.md
observed a9c3d866e621636a538d1eb0e29092ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.897093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086669/publication.txt
observed a78fad502e99f0eb02fee87290b98498...
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.