OpenTechnical

OT-2026-000022620

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000022620) never changes.

Identity and time

Publication numberOT-2026-000022620 · never reused
Internal UUID01a0ae70-46e8-70cc-b91f-8013e8026d4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022620
StatusPUBLIC

Content hashes

Canonical text4c38de8e96703ffe9e359b1d72e9c20d9522c8b60a00b198a949623d7df771e7
Markdown13d2c1cb82474f4fac1d1ba9c65ba422a431d10569260ee002618b7583d44783
PDF
Publication page6b2e9deb470ba8f2caed4c9937079938741341309b372f7e7daa67a237638a8a
Manifest4c0cfd40df4ffb7eba8d27eef07df6a0473ec6dc3b2ed49495d94b1cf12db4bc

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
Signature2HZeUu2A59HzVxnt2WgQY2tp/Xy1kUEiIACcXA02V19RpLrehNyqKU/LLZ5sxtPvO0bYm7F9OpiIjl2fEsuyAA==
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

2026-09-17T11:51:59.584491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022620
observed 6b2e9deb470ba8f2caed4c9937079938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.567202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022620/manifest.json
observed 4c0cfd40df4ffb7eba8d27eef07df6a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.550384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022620/publication.md
observed 13d2c1cb82474f4fac1d1ba9c65ba422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.530891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022620/publication.txt
observed 4c38de8e96703ffe9e359b1d72e9c20d...
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.