OpenTechnical

OT-2026-000014621

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000014621) never changes.

Identity and time

Publication numberOT-2026-000014621 · never reused
Internal UUID01a0ae6d-d092-74d4-a6c6-e18ee257caf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014621
StatusPUBLIC

Content hashes

Canonical text50215f85c328b9a6be0d559b808f80cfd33aa460a90a9af30432dc1f4972ab01
Markdown865521eca4c8964be2da1d0c00d18e0f8cb15fcc4dc79e2bed9387e7c0dbe65f
PDF
Publication pagee0a84bab73ebbcb2dd21ae94974f336edbc568aad2bf280a5748370d159b6125
Manifest13d8c9e55817e23993b686e04968cf08bbba6a9b8b1381f2158a504520cdced0

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
Signature/7MwRG5nZ0K5F2U0wSZ4wikEEilL88J0SLhoIdQqVvE72Xmgtr8Mjh5l+ODepj5VJyD20AlOnfntqpSKE/jJDw==
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

2026-09-17T12:06:26.042994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014621
observed e0a84bab73ebbcb2dd21ae94974f336e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.023670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014621/manifest.json
observed 13d8c9e55817e23993b686e04968cf08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.003401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014621/publication.md
observed 865521eca4c8964be2da1d0c00d18e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:25.980556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014621/publication.txt
observed 50215f85c328b9a6be0d559b808f80cf...
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.