OpenTechnical

OT-2026-000080452

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000080452) never changes.

Identity and time

Publication numberOT-2026-000080452 · never reused
Internal UUID01a0ae96-7e78-7bbb-bda0-144187ca0463 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080452
StatusPUBLIC

Content hashes

Canonical textba63924e241a6274ac271987a0433576a7b806f6944bbbd59ae15fc25625544c
Markdown25ff40d6bfb86800c6197de067f5b383035327d7d95f591153a9dfc8b63165fe
PDF
Publication page3f7f9e7f391f984e36231d1198b0e1e7893f578ae1e8b4928f89f2ddbc0530ed
Manifestf13c5704b205f6b90835b0e7a1644662a9fcfd96d337a67d194cc64e45842f6a

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
SignatureeypVpeWnugUzM0lEUgnAwKTHWRIz7B9ROcwS7gW2opqARTnRdJ8vzsKZR9CisvEwsBGBpEW1thdd7gJHocl6Dg==
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

2026-09-17T10:02:58.187616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080452
observed 3f7f9e7f391f984e36231d1198b0e1e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.170550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080452/manifest.json
observed f13c5704b205f6b90835b0e7a1644662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.152894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080452/publication.md
observed 25ff40d6bfb86800c6197de067f5b383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.134692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080452/publication.txt
observed ba63924e241a6274ac271987a0433576...
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.