OpenTechnical

OT-2026-000085419

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000085419) never changes.

Identity and time

Publication numberOT-2026-000085419 · never reused
Internal UUID01a0ae99-aaab-716d-bc67-b0ec2d47e99c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085419
StatusPUBLIC

Content hashes

Canonical text5249e8a7eb0f31253dfcc7f448bec62ea5ca24513fb500ff556ba433ea8e1284
Markdown382d150d5226420f0405e26ef7561ff8b9721e570a3edbd1270e206458dd05f1
PDF
Publication page2c10248b52d5898c43fff084ea61b7dadac4ba03dbd8932de5b5ecce14a0bbd3
Manifest2411f7a5067124b6d40b70005e9d3341363a23e780a4f4ba1e31bf6d6348bf4b

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
SignaturehmAMjJ17qRIzMxUK2Ma8AaIL+SKrf1v27SNPbIQT/47TnvidoOnQUqiNTZOLc4UtXBTGj4m9SRVHXYaWQd9rBw==
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

2026-09-17T09:54:11.637222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085419
observed 2c10248b52d5898c43fff084ea61b7da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.620142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085419/manifest.json
observed 2411f7a5067124b6d40b70005e9d3341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.601248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085419/publication.md
observed 382d150d5226420f0405e26ef7561ff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.583536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085419/publication.txt
observed 5249e8a7eb0f31253dfcc7f448bec62e...
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.