OpenTechnical

OT-2026-000029450

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000029450) never changes.

Identity and time

Publication numberOT-2026-000029450 · never reused
Internal UUID01a0ae73-5e21-7cda-9c0c-61792bcb610a · 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-2026-000029450
StatusPUBLIC

Content hashes

Canonical text1561d7fbc14b67da6f50801915a3a618d964d5fafc55d5a4cfa45c38b45584b1
Markdownf445ed2c65e6e4a7e23e1ff067f67f2a4c756986e8a9897b1450087be66ccc55
PDF
Publication page412b8ee1f97e9c450f29552bf88b502a154de7fc7afdcdbb6d46e2b1d8114f59
Manifest1534db5435a2b9e1bd515666e068839ab95e4d27649fd7704574441edc04541c

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
SignatureK82l6WnsSZrCS8H3e0KIXFHFzdRx6nJB6T6pzFQV/klwnQ9/4qn9aJxB34u+G9uQyI5M04tuLnVt/6qLeQYlAA==
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

2026-09-17T11:38:55.973339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029450
observed 412b8ee1f97e9c450f29552bf88b502a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.955018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029450/manifest.json
observed 1534db5435a2b9e1bd515666e068839a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.939019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029450/publication.md
observed f445ed2c65e6e4a7e23e1ff067f67f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.920633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029450/publication.txt
observed 1561d7fbc14b67da6f50801915a3a618...
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.