OpenTechnical

OT-2026-000051541

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, vented 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-2026-000051541) never changes.

Identity and time

Publication numberOT-2026-000051541 · never reused
Internal UUID01a0ae83-7c81-744b-842a-f64dffe569f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051541
StatusPUBLIC

Content hashes

Canonical texte85f2666b5f1ecd94c97585dfccafbc46e61ad65f93ae7d40b075f55890601f5
Markdownd28d9253ca84031decc48c80a2ae3df5cdeeffa08b2a2c0abb3894ef6b64940e
PDF
Publication page0ac3fdfc2470f93d056305c066f20196100ff955ab5b87466847c7aa937d8db5
Manifestfc1032f9ac6f2079880dde84f7809759cfaae4c7d186a3a4bc45d5654edca539

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
SignaturevhESvbHyWmAxiEXP41/KOxemgL9TxhJkrxzIUe9ADS1Bujckgab5BImgwet3Dv8+DzxcWPQeT2WyylTv+xVQBQ==
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

2026-09-17T10:58:22.297208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051541
observed 0ac3fdfc2470f93d056305c066f20196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:22.278744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051541/manifest.json
observed fc1032f9ac6f2079880dde84f7809759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:22.260724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051541/publication.md
observed d28d9253ca84031decc48c80a2ae3df5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:22.242202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051541/publication.txt
observed e85f2666b5f1ecd94c97585dfccafbc4...
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.