OpenTechnical

OT-2026-000027648

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000027648) never changes.

Identity and time

Publication numberOT-2026-000027648 · never reused
Internal UUID01a0ae72-6999-7417-98c2-56ff8c3b5bad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027648
StatusPUBLIC

Content hashes

Canonical text344e561140e025fc3ab2ff9e9f9cdee4422b86702e4ab53006e02e1f43502c57
Markdownd268ebc90ea3f95457c0f4d92558a188891b83bfe894d46396c4060c99f68dfd
PDF
Publication pagef3333285a356f0ce24afe517e3607baf6ffe65515405ba073ef6b64527f8d8a4
Manifest98a8aca37a3de98a5214459a3f3c2641226ee4a1aec9c9e19da54c11e2f87254

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
SignatureAjWFYxl3fy2agXJN+1o5nebS0tybWWLG9fPZzh0xRa+SRLuKAl30rb/+Wxh3fiy2YpOyQaxk/vL2w7wXSIyUAQ==
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

2026-09-17T11:43:10.524603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027648
observed f3333285a356f0ce24afe517e3607baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.506582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027648/manifest.json
observed 98a8aca37a3de98a5214459a3f3c2641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.490081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027648/publication.md
observed d268ebc90ea3f95457c0f4d92558a188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.473036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027648/publication.txt
observed 344e561140e025fc3ab2ff9e9f9cdee4...
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.