OpenTechnical

OT-2026-000019679

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pulsed blow-off before 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-2026-000019679) never changes.

Identity and time

Publication numberOT-2026-000019679 · never reused
Internal UUID01a0ae6f-1fb3-71a6-8497-4a6680f0609e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019679
StatusPUBLIC

Content hashes

Canonical textb664e73108c952d39909cd494d34e7eaa6cd1d0c2d8aceb40dfc65b66a4112a9
Markdowne0c9c3c22150ae7f32bdfb6fce7da5cbacd7645719b37676adf6f7c50e860011
PDF
Publication pageb1b2a0ea370492ecf89b68d76454ee8bc40e74c5060011940d2c23ff58fb7458
Manifest43c23b8fc4ad822d94a5e2feefed45f126c4446a848e1e9e667b2dae91abc35f

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
SignatureCAblM0ObM6gjXFWxHXW5/js6rOOybntqqW5z3sO5pT1LGeIQzrCuzpTDRD+T2EfxJ35cBWgJv8Ai+cbMF6IDAA==
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

2026-09-17T11:57:45.147946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019679
observed b1b2a0ea370492ecf89b68d76454ee8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:45.014657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019679/manifest.json
observed 43c23b8fc4ad822d94a5e2feefed45f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.997581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019679/publication.md
observed e0c9c3c22150ae7f32bdfb6fce7da5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.977043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019679/publication.txt
observed b664e73108c952d39909cd494d34e7ea...
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.