OpenTechnical

OT-2026-000078152

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000078152) never changes.

Identity and time

Publication numberOT-2026-000078152 · never reused
Internal UUID01a0ae95-6e8c-7cef-81ed-270035d3d19d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078152
StatusPUBLIC

Content hashes

Canonical textd443c1a865da80c7657e00433393b76fafe1e5cd444f635b8bd823e0e4b4e68a
Markdowne8f07b76d91b68f40eb264bea9ee87df1cb81211bcc1b1765ce8b89ea624a520
PDF
Publication page4387bf75a604fe49d51cf8abb134948c4cac028d77e98fd202825871155534c9
Manifest1001187ec748bf3f69c596be7157336dfbcb222d63e78b0dd0ed1e0ce3590190

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
SignatureD8MbciEbs0Kt+mJuhhrMhuWKRip7g+khwT4R7uLbCpOzKl+XyqVbC/pJ57cDm63yfsupfh26I+3fknWOS/oiBA==
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

2026-09-17T10:06:52.020315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078152
observed 4387bf75a604fe49d51cf8abb134948c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.001222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078152/manifest.json
observed 1001187ec748bf3f69c596be7157336d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.982583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078152/publication.md
observed e8f07b76d91b68f40eb264bea9ee87df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.963585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078152/publication.txt
observed d443c1a865da80c7657e00433393b76f...
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.