OpenTechnical

OT-2026-000018739

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000018739) never changes.

Identity and time

Publication numberOT-2026-000018739 · never reused
Internal UUID01a0ae6e-d520-7ded-a5b9-6ebba435dea7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018739
StatusPUBLIC

Content hashes

Canonical text1145882b0e7b084276a3983fc8a33e7285e9e99bcad2b48d607979c728dc4c96
Markdown7cb29ab24d7b4bc58a458d9639fb0f444fa1615c1e61d4c741e093abd5bbb8ce
PDF
Publication page3578251813d50a8f8e787f780c7e9a53b8efdb7615630d40437b9d1ee3afecb6
Manifest3de42c24e37c08419e75add96e33931706c854b24f3f1317cc34b466a263caef

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
SignatureO6KdCcRXspkUzypO/9KzTWBZWeTaVNuZ/IR4JbKimtzrNxfVafX/0z71kJM0Jt6Vn3puEXbxikhd1cVHAxnHBQ==
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

2026-09-17T11:59:04.513917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018739
observed 3578251813d50a8f8e787f780c7e9a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.497685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018739/manifest.json
observed 3de42c24e37c08419e75add96e339317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.479193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018739/publication.md
observed 7cb29ab24d7b4bc58a458d9639fb0f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.458221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018739/publication.txt
observed 1145882b0e7b084276a3983fc8a33e72...
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.