OpenTechnical

OT-2026-000087073

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000087073) never changes.

Identity and time

Publication numberOT-2026-000087073 · never reused
Internal UUID01a0ae9a-9f2d-7feb-887f-56c40d3f7feb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087073
StatusPUBLIC

Content hashes

Canonical texte10be98b34a0222a89244c1ff95a1a0a406d5da8dacb9622cf9b61ef2f5c16e1
Markdown9cb614dd81612bfbcbc1979cbe3519bbc6a7ef653388c51ef007572440b295e8
PDF
Publication pagee4d2fdc8d642047d534953d55fab24841a974e3223754cf1b6ffc1655fc343fe
Manifest4970dedf5207e9de0e096a08d22e8d47a03f8bb82ad97c994fbbfbb34c375f33

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
SignatureTbLxt2cZehvhrPHSJ+77O7g/d2D6dQDi6Q8x1IS7z55FkkmxY391NVMnx0Y1dgorrZBTBfUj1Ww4up5ZJQmlBw==
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

2026-09-17T09:51:19.790213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087073
observed e4d2fdc8d642047d534953d55fab2484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.773360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087073/manifest.json
observed 4970dedf5207e9de0e096a08d22e8d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.755743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087073/publication.md
observed 9cb614dd81612bfbcbc1979cbe3519bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.739456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087073/publication.txt
observed e10be98b34a0222a89244c1ff95a1a0a...
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.