OpenTechnical

OT-2026-000029426

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two 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-2026-000029426) never changes.

Identity and time

Publication numberOT-2026-000029426 · never reused
Internal UUID01a0ae73-5e20-7b2d-9567-608b77f91a13 · 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-2026-000029426
StatusPUBLIC

Content hashes

Canonical textdae51c36fae15daca53b13ae3f29ed4f4105d881d32f0e0e3221d56da2279a96
Markdown5668ad5317cdc855a044a62487ba0a41d28b8fb97827d9246d4f77407eb30605
PDF
Publication pageb90a9328f83a1973c585a7aad184051fce297974077ffb4f42a6152a387bf7bc
Manifest0a477f0aeb1ca4a7b0940eb80ed28efac2affc815c21b0657410444a4d1ba815

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
SignatureSEdvCpz8bPdAWxXrxLgch0rRzPkxffBFxX/Uus0IEW7Enc8vZfe5XWGYunqcBkxfNgawdl2YZM6NizpwA3JDCg==
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

2026-09-17T11:39:02.142493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029426
observed b90a9328f83a1973c585a7aad184051f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.125485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029426/manifest.json
observed 0a477f0aeb1ca4a7b0940eb80ed28efa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.107540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029426/publication.md
observed 5668ad5317cdc855a044a62487ba0a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.091110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029426/publication.txt
observed dae51c36fae15daca53b13ae3f29ed4f...
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.