OpenTechnical

OT-2026-000023491

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000023491) never changes.

Identity and time

Publication numberOT-2026-000023491 · never reused
Internal UUID01a0ae70-7269-7280-9a46-13158bf8eca6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023491
StatusPUBLIC

Content hashes

Canonical text0dacbdad26ddc977d08df406a024fcbb7fc75d8ec5dcd343c3e19f4ddf63d36f
Markdown7b4e04df3860a7402e419acce0dc1ba1b540a6dc20c3a6238e001bdd7394c074
PDF
Publication pagead42d49f93e5f0bd66bade565acbb853106f5ba6fedbf7ab8ce992b64ecc6bfa
Manifestec65e547cbb89824d0d9d3c38f3d6cbcc9376eab6fa2221ed17c6916186b14c8

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
SignatureRZXAFKomJD5HbZcwcxioiRt11w3wg6PFuKXcNJxBxTunjBFbQwL+elT3srcScdagMAX1Cj2YoB4ruAeDSJXJBQ==
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

2026-09-17T11:51:43.270657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023491
observed ad42d49f93e5f0bd66bade565acbb853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.254309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023491/manifest.json
observed ec65e547cbb89824d0d9d3c38f3d6cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.235089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023491/publication.md
observed 7b4e04df3860a7402e419acce0dc1ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:43.213813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023491/publication.txt
observed 0dacbdad26ddc977d08df406a024fcbb...
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.