OpenTechnical

OT-2026-000014105

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000014105) never changes.

Identity and time

Publication numberOT-2026-000014105 · never reused
Internal UUID01a0ae6d-b278-741d-aadf-9b7218d90d41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014105
StatusPUBLIC

Content hashes

Canonical text590b324c18915b71c13b7382dc2ca3001a4e58dbad07307dc9ae288f7a20f23a
Markdown932229272db695f42f722df93e9adb02cd6c5709105a7022d57cc817f92b989a
PDF
Publication pageba5caf2ecea8174686d783d84077c7f772b38a21256da87a71d99fd3d3954658
Manifest03092b6d75b6618b5d3ec3d49505891952d32def5a2fc36d61b3e0fdc8a81502

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
SignatureneYXIq273H9x8XWYJmR9DwEpDfUmZMcysZOqGj5d9FK4v8c8rTjYMl8UbdunyWx/t8yFxHjZDPI+TxwM9pHmDw==
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

2026-09-17T12:07:10.150015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014105
observed ba5caf2ecea8174686d783d84077c7f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.131083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014105/manifest.json
observed 03092b6d75b6618b5d3ec3d495058919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.109719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014105/publication.md
observed 932229272db695f42f722df93e9adb02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.088413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014105/publication.txt
observed 590b324c18915b71c13b7382dc2ca300...
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.