OpenTechnical

OT-2026-000029358

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000029358) never changes.

Identity and time

Publication numberOT-2026-000029358 · never reused
Internal UUID01a0ae73-5e20-7ebb-b252-157848510b37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029358
StatusPUBLIC

Content hashes

Canonical textee332f6324b6e207dd35d602616d746027038bd1db337a4d73a4e42a7a2131dc
Markdown45b7a83d8f9cf4e90967669a6ac67ae7d8f2e5176317084c5a128b6e7ae99f76
PDF
Publication page53e475e2670b5dc92f28b57d2e288075ff5e852a992f776902e51078feaf9082
Manifest233d22595620e7d22c65236b9e10905e9ce92bd93e5e7a9d6e04a32f0de45635

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
SignaturePVVD6ZojN42Fgl8y9HKgyVwIHSqYN0UOOFAM2TbojNCX9m8uBdVPEVqBeT/GZVPliV79+UIIZ+BRqTa6DxJgCw==
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

2026-09-17T11:38:54.973920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029358
observed 53e475e2670b5dc92f28b57d2e288075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.955657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029358/manifest.json
observed 233d22595620e7d22c65236b9e10905e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.938268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029358/publication.md
observed 45b7a83d8f9cf4e90967669a6ac67ae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.920301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029358/publication.txt
observed ee332f6324b6e207dd35d602616d7460...
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.