OpenTechnical

OT-2026-000100419

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000100419) never changes.

Identity and time

Publication numberOT-2026-000100419 · never reused
Internal UUID01a0aea3-66ef-775b-9d22-fece9e075a97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100419
StatusPUBLIC

Content hashes

Canonical textf7c7a292e7f149c0d4094b9b407405c43652e5f3af532d11d76093f2a11ac686
Markdown1f938655d45c7734352d082ca1ba08ad0a98bfca9cacbaca91b5e7827c4e5abb
PDF
Publication page1f510d52aea972dfb4c587d76b6d4db072a1540c9d6021fadc6acbcaf0b41713
Manifest09247f32c0901a8e2c6d19f109987069625212a2316dba2ab548c0ba5807ac2b

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
Signature0b+wZoJtM1lTBN66vvjkbTSy2R//AhP48nPHZ4ET5MOXOcFgCq8far+w0SeZLa1wVGatZDxMB+FyEBSTcCX1CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:09.667092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100419
observed 1f510d52aea972dfb4c587d76b6d4db0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.648990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100419/manifest.json
observed 09247f32c0901a8e2c6d19f109987069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.630011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100419/publication.md
observed 1f938655d45c7734352d082ca1ba08ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.611197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100419/publication.txt
observed f7c7a292e7f149c0d4094b9b407405c4...
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.