OpenTechnical

OT-2026-000018660

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000018660) never changes.

Identity and time

Publication numberOT-2026-000018660 · never reused
Internal UUID01a0ae6e-d520-728d-bd91-cb2a6c4f1d66 · 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-2026-000018660
StatusPUBLIC

Content hashes

Canonical text663b913ef5d6cc344ce170e3422e29e9ec930cf397640641359d6f3ba79e00e2
Markdown650894bf3ee824faa35ca9f2f2d6351ac7bf450ae4f6459dd97152fddf489c5a
PDF
Publication page01d8f13f4a611693cc1d9bc81005be16c59cd89e31ac04cd9e8f54ce0d1e5b8a
Manifestf4016253851c4ac1ba8e29a957c082262759ce97df200621ae5ea764105ca935

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
SignatureWprfSEGalk3tnLy2M7Ojn+YIcMFVYPUmFFEuINrLHAGQ/MVPqWRGCofCUFJO42bKWL8Wi5dKTnDmQ2MJDyh9DQ==
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

2026-09-17T11:59:15.181856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018660
observed 01d8f13f4a611693cc1d9bc81005be16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:15.161755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018660/manifest.json
observed f4016253851c4ac1ba8e29a957c08226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:15.142085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018660/publication.md
observed 650894bf3ee824faa35ca9f2f2d6351a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:15.123934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018660/publication.txt
observed 663b913ef5d6cc344ce170e3422e29e9...
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.