OpenTechnical

OT-2026-000068149

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000068149) never changes.

Identity and time

Publication numberOT-2026-000068149 · never reused
Internal UUID01a0ae8f-c4ff-78d3-9e43-c379ddda29c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068149
StatusPUBLIC

Content hashes

Canonical textd86262e5ee5c362a49cb0be48ade332e318ab616ab559f439d891da81bcf42d3
Markdown6f05cb2cb38ea7bb93ea94dc47e4c38f2493bfa55ed854e4514f6e5dd1d77975
PDF
Publication page91ff8fe63b9f662bdce03c8706f274ed65e592f1e0ea282bd4373d4537785a29
Manifestd0e389e5c6f843f4aeb733c8b94f00118e336a0341ecb154f5a083bb7095220f

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
SignatureVkaMGa2l3bWmyuwCOa2dsVlv2El/mocowfn7SgVq+WglqgOMoKxxhJcEjUiyDSOvUOYqGELfClcbyAVo7DfzDA==
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

2026-09-17T10:30:47.948496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068149
observed 91ff8fe63b9f662bdce03c8706f274ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.932071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068149/manifest.json
observed d0e389e5c6f843f4aeb733c8b94f0011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.915109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068149/publication.md
observed 6f05cb2cb38ea7bb93ea94dc47e4c38f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.895674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068149/publication.txt
observed d86262e5ee5c362a49cb0be48ade332e...
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.