OpenTechnical

OT-2026-000016896

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000016896) never changes.

Identity and time

Publication numberOT-2026-000016896 · never reused
Internal UUID01a0ae6e-591a-7ccd-acd2-706c9273608c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016896
StatusPUBLIC

Content hashes

Canonical textd0d6408106ae7d545d9310ef20ff1964a2a682635f67934b339874db400c09cb
Markdownc15363a04f0b347488ced23177e25e08ba6785ecbc6e79bb081c50a747cd054b
PDF
Publication page4b57cd07dff15cba464a1bbb6847ad4feb2a86414aff370bbab94e966303cf7a
Manifest26cf7fa6f2256dcbcd7baf29f677b199ba490668ad7c934737e96d24335e2bac

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
Signature3Va3PdQf1cONrQKZk8WM07F5mOnYhQt04Es0PNata4Qs/9hoaIEffwgVamndfoYvcZ7mb1iiFiaqwQdJbhL9Aw==
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

2026-09-17T12:03:10.234860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016896
observed 4b57cd07dff15cba464a1bbb6847ad4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:10.219021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016896/manifest.json
observed 26cf7fa6f2256dcbcd7baf29f677b199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:10.202287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016896/publication.md
observed c15363a04f0b347488ced23177e25e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:10.183678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016896/publication.txt
observed d0d6408106ae7d545d9310ef20ff1964...
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.