OpenTechnical

OT-2026-000041910

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000041910) never changes.

Identity and time

Publication numberOT-2026-000041910 · never reused
Internal UUID01a0ae79-e8a6-7cf5-b4fa-31c2fac477c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041910
StatusPUBLIC

Content hashes

Canonical text1d8523039424980d926734b33ecb40df32625eea3d63baeea11e2a574380c4a8
Markdownd3298e85b179a0ec87cd510119af25c758bd5007c481ab05e56112781c449e29
PDF
Publication pagebe690ed17c60038f4974e572674f38e6c1fe8feb88827b38b52c30bc32cba57d
Manifest2ee58dab157f6aa387dcfb6df92c3bb628cfc6982f8e8f19b0d9f7298731c200

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
SignaturexTYizwRWRBdFlvSKzFhSLtCXkDWvzenyGLMyTs/ApgGui2jGYZgrdBq9+ZIdl2ulIKakleAQWAPjkGmQyLM6Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:47.584712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041910
observed be690ed17c60038f4974e572674f38e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.565281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041910/manifest.json
observed 2ee58dab157f6aa387dcfb6df92c3bb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.541944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041910/publication.md
observed d3298e85b179a0ec87cd510119af25c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.524147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041910/publication.txt
observed 1d8523039424980d926734b33ecb40df...
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.