OpenTechnical

OT-2026-000100401

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000100401) never changes.

Identity and time

Publication numberOT-2026-000100401 · never reused
Internal UUID01a0aea3-66ee-7d07-9ba0-f2fdab38919e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100401
StatusPUBLIC

Content hashes

Canonical text3a266ef66372046c7192fd86047e40b79e63507c2c85bd4bab2baf595de7f2e6
Markdownddc9ddfe312ad2a9f10138c21544d26471d6060084c03cb8007a2f9e93623846
PDF
Publication pagea2a89da11465c21982723e3915593bde5747db3f45a4755a66a9a087734473ce
Manifest48dfe8031210237aabe86a1a7b6a46e82c745c14ceaa368e6f9f853d098927b1

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
SignaturexoagpUb7OlxBNNRPecPZlghLrgrhlbQUxbSzfKWomSgSGFlYmdiUol7A1Hl6W3nmG8QtfDbL6tZ9MeOj63NdAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:08.332094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100401
observed a2a89da11465c21982723e3915593bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.314641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100401/manifest.json
observed 48dfe8031210237aabe86a1a7b6a46e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.296109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100401/publication.md
observed ddc9ddfe312ad2a9f10138c21544d264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.276946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100401/publication.txt
observed 3a266ef66372046c7192fd86047e40b7...
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.