OpenTechnical

OT-2026-000016176

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum 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-2026-000016176) never changes.

Identity and time

Publication numberOT-2026-000016176 · never reused
Internal UUID01a0ae6e-2d10-72ec-b75f-c4798b9f91f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016176
StatusPUBLIC

Content hashes

Canonical text8ed8de3c47fa4b572d4a729a5d42f3d2b3a2055e9d8a7107698afddb3d7f9cc0
Markdownd71e9c2e4bc20d4e13e836d9722b1c86bce8c3f1315a99b15c3e30d1871fad59
PDF
Publication page6cd1ee9132e6428d23fdf80e2fd249e69c4f61f2884a0d6e1a30560b6f35aad4
Manifest0822cc9673e42cf8ca0b478c1e94492d85975c0d573c175d20b8c8bbf09349b7

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
Signaturex5hnCkgC0+SIbKiR9VjTm8S6K0T7REtr/rmWNl1LY5tOl9Qyt3ASB9dEL7MNti4vxpXLTNGSh2eGjvvud58xAg==
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

2026-09-17T12:03:37.593648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016176
observed 6cd1ee9132e6428d23fdf80e2fd249e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.575945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016176/manifest.json
observed 0822cc9673e42cf8ca0b478c1e94492d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.558231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016176/publication.md
observed d71e9c2e4bc20d4e13e836d9722b1c86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:37.541188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016176/publication.txt
observed 8ed8de3c47fa4b572d4a729a5d42f3d2...
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.