OpenTechnical

OT-2026-000076668

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000076668) never changes.

Identity and time

Publication numberOT-2026-000076668 · never reused
Internal UUID01a0ae94-b06f-7ff5-a3dc-44832cd1ff33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076668
StatusPUBLIC

Content hashes

Canonical textac47daa533be44ee27c6e7a41fb945b51f5b20cfd18c0857945650bce8eb733b
Markdown1383d33490c16682e6ddd900ed48b68e352e58661c6f1477ab4300d7958fcebb
PDF
Publication page92305b36b21ae1b1e96f1cec65b9a0cf49ba6cfa4fc65fc33b3194d9964ce7c7
Manifeste899fb9ed00e0a31da7de4934a01c01d0bce0bd2d621370d3430b57e03b659d8

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
SignaturenZhaNBrCtHkTiqwfPc+mIbJP76xvH7Z/eYzzgOQvHJyEEpy+PR3ynaEZicJqlLlz/vw7RoFY1h6rIjhXhYXYBQ==
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

2026-09-17T10:09:24.935803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076668
observed 92305b36b21ae1b1e96f1cec65b9a0cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.915350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076668/manifest.json
observed e899fb9ed00e0a31da7de4934a01c01d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.895948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076668/publication.md
observed 1383d33490c16682e6ddd900ed48b68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.876454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076668/publication.txt
observed ac47daa533be44ee27c6e7a41fb945b5...
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.