OpenTechnical

OT-2026-000046120

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000046120) never changes.

Identity and time

Publication numberOT-2026-000046120 · never reused
Internal UUID01a0ae7e-032b-7f5a-a5c8-6344787d4daf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046120
StatusPUBLIC

Content hashes

Canonical text125b9b8ff8b7699bfb87bf39be06b9f1ea4abe171bd6533b61eedb5e05f9bbe7
Markdowndb21f808f57890fbdd973fb4fbc6ae527a93c6aa7e98a9764983a6e5ddaf6fc2
PDF
Publication pagea1de934a5fed2dc85d25ef709f4ff1b39d983780a0e3b239f44d1057febfa505
Manifested1f2e4f3b4d3ce6ac8026366e11c54bf81cdd685752d377a2dcc0b648a5e199

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
SignatureyIQMD1cBsfmNuWc3D/rRY1HrzN56FMwqgRgC7+ajmoZ8fmVSa10vKiJVQy0yvW+PMzyp/n+TBCl/R+MbhJ+VCA==
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

2026-09-17T11:09:06.165010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046120
observed a1de934a5fed2dc85d25ef709f4ff1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.146177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046120/manifest.json
observed ed1f2e4f3b4d3ce6ac8026366e11c54b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.128252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046120/publication.md
observed db21f808f57890fbdd973fb4fbc6ae52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:06.109577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046120/publication.txt
observed 125b9b8ff8b7699bfb87bf39be06b9f1...
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.