OpenTechnical

OT-2026-000023357

Publication integrity record

Three cup vacuum gripper, three 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-2026-000023357) never changes.

Identity and time

Publication numberOT-2026-000023357 · never reused
Internal UUID01a0ae70-7268-714d-a4bc-58f16d9b255d · 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-2026-000023357
StatusPUBLIC

Content hashes

Canonical textbb9e7e3a64edd754f91403a2ab8f6dfc3382e0654a7227d1797d8e5799c453c8
Markdownc03dfc55264aa4aa1e8e26a27178dcdf8d2e2e21a30d7a9b1cd4f8058efa1244
PDF
Publication page4ae46d32cc683647caa770499bceb538426fa77c170e03b5ae0dcb51e25e6732
Manifest14625406a7fff0da738babac6239a31f5d40fd517575779e40293badca7f9546

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
SignatureL2Ge9DDD2rIJ4YB+wub/OosW8ig7TZgoGkIP0A80A9dEs1RxDzXCnwj3da65eFErj61Ps08sLSww6i5VWhHfDg==
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

2026-09-17T11:51:27.177225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023357
observed 4ae46d32cc683647caa770499bceb538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:27.161827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023357/manifest.json
observed 14625406a7fff0da738babac6239a31f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:27.143601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023357/publication.md
observed c03dfc55264aa4aa1e8e26a27178dcdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:27.123989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023357/publication.txt
observed bb9e7e3a64edd754f91403a2ab8f6dfc...
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.