OpenTechnical

OT-2026-000010431

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, vented after set-down

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-2026-000010431) never changes.

Identity and time

Publication numberOT-2026-000010431 · never reused
Internal UUID01a0ae6c-0ee6-73b8-bd74-50b7db0f3980 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010431
StatusPUBLIC

Content hashes

Canonical text1cad4c567dc947c45f87750b3fa1049fcb8fb6397f51eb6aa7fb5678e2ba2fcb
Markdown8e4854a0655dd193e7a65897befc5b61e4114efa3b8766ecd9f4d4ac90c83531
PDF
Publication page9c1d19a0015cd2a475f0d966bcbf830ce60f8aa29e13e463ce1af7e3659fddd8
Manifest451d58f1f4a32760bf6748415fef6b51ba79ac8d9d9235a0071fa435231d1519

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
Signatureuxi0rOVDsBk6hSiyJmh/y3D7Cx4it8COBU4Or3B24lz7zkqmdEJh/64vkS1kXtevcr0mcp4lKPQiXaS0Qkm4Dg==
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

2026-09-17T12:14:33.626202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010431
observed 9c1d19a0015cd2a475f0d966bcbf830c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:33.609636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010431/manifest.json
observed 451d58f1f4a32760bf6748415fef6b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:33.589437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010431/publication.md
observed 8e4854a0655dd193e7a65897befc5b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:33.571738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010431/publication.txt
observed 1cad4c567dc947c45f87750b3fa1049f...
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.