OpenTechnical

OT-2026-000041262

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump 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-2026-000041262) never changes.

Identity and time

Publication numberOT-2026-000041262 · never reused
Internal UUID01a0ae79-b143-7503-ad37-c3d5c5302bfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041262
StatusPUBLIC

Content hashes

Canonical texteabc56232b8371633cac1d9d2367e4af5ad970ba170f8b0f13d006794361c0ba
Markdown007fec244b7c3e4ca40cad1335869f717f671a85d1f1c3cab5d11e0e83de3e7a
PDF
Publication pagedab5817dc9a2a048d08ae8bb32b848a88e833afcdaf4b9a44b8ff9854fe9ea60
Manifest0b380f205cc7ed6c39436783b7fc25d8265b1af0d9aff9780a700ad479a11065

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
Signature4888eaE4qZCFpNEizR6gu8uG+zMYyqwJAMpapqW6rgfkOJtX11IgSBxT2W5y8LAFwKQOprGpGrriRadiG64EDw==
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

2026-09-17T11:17:14.102468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041262
observed dab5817dc9a2a048d08ae8bb32b848a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.082969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041262/manifest.json
observed 0b380f205cc7ed6c39436783b7fc25d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.066535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041262/publication.md
observed 007fec244b7c3e4ca40cad1335869f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.048435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041262/publication.txt
observed eabc56232b8371633cac1d9d2367e4af...
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.