OpenTechnical

OT-2026-000033439

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000033439) never changes.

Identity and time

Publication numberOT-2026-000033439 · never reused
Internal UUID01a0ae75-a38d-79ab-a37e-24ba051d4023 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033439
StatusPUBLIC

Content hashes

Canonical text75a5296ea532c85c4f7e4ad265e31e6c92052e92eb266b2b2c8e10933dee7c1d
Markdown178aa2926e8022ee0e7f2c78e5af41003249f6bb7edd16802c80b4504d8dc744
PDF
Publication paged4d294185dc1533c493da52e6a3f100153bb95e1e65547e846219f367b03b602
Manifest91f55ff60369c6f7c4157ad633f033d79a9dcc15939f64429c13a1bcea3c2c47

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
SignatureXn/F7uX3t8j8r9NsMvRVwLSQFtT2GgS0r5njy5vH2J6KtSf7f82mlBUsLFXMgap2V4hbVLyCKWIPZ0c8dqNpDg==
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

2026-09-17T11:31:16.208601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033439
observed d4d294185dc1533c493da52e6a3f1001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.188298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033439/manifest.json
observed 91f55ff60369c6f7c4157ad633f033d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.170741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033439/publication.md
observed 178aa2926e8022ee0e7f2c78e5af4100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.150126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033439/publication.txt
observed 75a5296ea532c85c4f7e4ad265e31e6c...
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.