OpenTechnical

OT-2026-000030815

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000030815) never changes.

Identity and time

Publication numberOT-2026-000030815 · never reused
Internal UUID01a0ae74-3fb5-7b20-83dd-d13d2ecb8897 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030815
StatusPUBLIC

Content hashes

Canonical textcba55c924e66a439d48e4d35c376f2adb67184f9c2c8459456cffc1a00a4f650
Markdown398bec645bc186f17973bed925884a3fcf2c0e07acf8b1d97c0fe268c786fcb0
PDF
Publication page8dbca5c4a15312e7143226fc7f23b22589a3aca20fce42741a30088d6fb783c8
Manifest3e49192f7305cd8a36b268f23546bbdbe2ffe6ac49b57d6d47d15f56ed1fa443

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
SignatureyF4pki+fKmGy27DgZ427XRcku+tUHg1g1Z5hxpr+4RHWMcQpLwlR0M8x5kNOFoJaAHYTgUjdCxJUydMpsExQAg==
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

2026-09-17T11:36:44.325105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030815
observed 8dbca5c4a15312e7143226fc7f23b225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.305165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030815/manifest.json
observed 3e49192f7305cd8a36b268f23546bbdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.273316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030815/publication.md
observed 398bec645bc186f17973bed925884a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.232633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030815/publication.txt
observed cba55c924e66a439d48e4d35c376f2ad...
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.