OpenTechnical

OT-2026-000014929

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000014929) never changes.

Identity and time

Publication numberOT-2026-000014929 · never reused
Internal UUID01a0ae6d-d095-7716-a201-d9cd8922e02a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014929
StatusPUBLIC

Content hashes

Canonical text6f9e95d89d7649b91d28dcfef97bd8e7580feb9fec3b648e621a30f3425769b0
Markdown7a8279dadb0c486f58fdae8934cc6ea4d97d280d1f42dfc03d04b54f11e9d468
PDF
Publication page6b5091fcfde57ff9a0fe9e0bed487fbe99e4f313074f4b0828d5b197c600f3ce
Manifestdd52522df9a85391fbb25dc26b63451fbe8f316b53a475615de77cba1bd3ad61

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
SignatureeygEDiKydaX3EDtg3o5ScVhlUivGPbfT/oneE3DcAKVV3sM+zFek1UdqK0KmEEkwyRNmssYj02TSUZvqkPkeDQ==
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

2026-09-17T12:06:52.220944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014929
observed 6b5091fcfde57ff9a0fe9e0bed487fbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.201997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014929/manifest.json
observed dd52522df9a85391fbb25dc26b63451f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.182719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014929/publication.md
observed 7a8279dadb0c486f58fdae8934cc6ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.163028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014929/publication.txt
observed 6f9e95d89d7649b91d28dcfef97bd8e7...
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.