OpenTechnical

OT-2026-000043419

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000043419) never changes.

Identity and time

Publication numberOT-2026-000043419 · never reused
Internal UUID01a0ae7b-327e-7fc5-a1c7-5765a0d118e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043419
StatusPUBLIC

Content hashes

Canonical text7dc5d0e2a3712e539ccc90a823656dd0efde63bbd72a18b09378515faa480991
Markdown64562d18a3804fa436fb3744b500aad2e5eb3ce905188192d3477c0527a0e19e
PDF
Publication page6366daa24b7e0edd79d1a7e6be86cd563b7bb6541e9a9f3c794fe850fba4c8a8
Manifest851150afe3bb61c4072aae458b9dc72b4979bb41011c3efffb74ee4ed3d3def3

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
SignatureMueDy2xySiSCZWgbWb8IvubB3kyM335uMqxXS8gsda4BYA0d8MDzBd1X49VIvN03naEdLWZRKqVD/J3xT/f5AQ==
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

2026-09-17T11:13:57.658228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043419
observed 6366daa24b7e0edd79d1a7e6be86cd56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.638224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043419/manifest.json
observed 851150afe3bb61c4072aae458b9dc72b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.619533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043419/publication.md
observed 64562d18a3804fa436fb3744b500aad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.599049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043419/publication.txt
observed 7dc5d0e2a3712e539ccc90a823656dd0...
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.