OpenTechnical

OT-2026-000081208

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000081208) never changes.

Identity and time

Publication numberOT-2026-000081208 · never reused
Internal UUID01a0ae96-f373-749f-97db-433390293173 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081208
StatusPUBLIC

Content hashes

Canonical text885e9c4a70094e698d1a6340858a810546235e70413be4219ff2ddadb4728467
Markdown6945c6e2b774bf555a1fdaa4c7f46ae40320ef03da83560cf363b1b7ca80a7ff
PDF
Publication page42bce1d514a6344b916fabd3af3dc3316a2d6f3283d358f99bd3daa54225c3af
Manifest69755546a69c42c0a5dc17a76279fdb570f8b6815d257f14661de684f2cd3fe7

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
Signaturea0s9ntuCcUsEjW6nh+Xdi2JRDaOTpu5PtV0/sn3dJa0R5EjrfUTZK27v4JvI+Z4r/7T7ZbF6/RgTDte/t4xMBA==
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

2026-09-17T10:01:16.999921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081208
observed 42bce1d514a6344b916fabd3af3dc331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.982191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081208/manifest.json
observed 69755546a69c42c0a5dc17a76279fdb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.964059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081208/publication.md
observed 6945c6e2b774bf555a1fdaa4c7f46ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.945812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081208/publication.txt
observed 885e9c4a70094e698d1a6340858a8105...
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.