OpenTechnical

OT-2026-000058458

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line 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-2026-000058458) never changes.

Identity and time

Publication numberOT-2026-000058458 · never reused
Internal UUID01a0ae88-f39b-77c6-af13-1e737df85ea4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058458
StatusPUBLIC

Content hashes

Canonical text2147769d25c25faddd16741a9dce77fccafb2f95508c21342c1cefb39cf38d3d
Markdown2d4c86d36e113d31141c4355ce64edbdaa915590640b12fe29c86d0b68308f8d
PDF
Publication pageec22d7113eba6f8f3b9d4a38cf957d334fd113fee5901e57d9f6ded2650ab03c
Manifest9bf098f40d8c4b8e757707f54719dcd5dfb8dc11d5ec7e5de7db70586d55b00f

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
Signature8IM+slW7DT2ZtGsZFf6aLUEsfH5PErUR8ySLMVgXiDYjSgpz6ob/BUu1GuffVmQG9uC7mIGa7Uiq7rEynA3wCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:54.466353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058458
observed ec22d7113eba6f8f3b9d4a38cf957d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:54.450654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058458/manifest.json
observed 9bf098f40d8c4b8e757707f54719dcd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:54.434134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058458/publication.md
observed 2d4c86d36e113d31141c4355ce64edbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:54.417127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058458/publication.txt
observed 2147769d25c25faddd16741a9dce77fc...
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.