OpenTechnical

OT-2026-000073424

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000073424) never changes.

Identity and time

Publication numberOT-2026-000073424 · never reused
Internal UUID01a0ae92-efb8-7cdf-92ee-37ba309de1f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073424
StatusPUBLIC

Content hashes

Canonical text3b8f3ae2d73d84a4cd4bc67da94f4d7fe2078cd167ab7f80795b34ecd3a51cea
Markdown4b914646449d9e53e128d675fd817d273f30c8f7f1a7dbc42807aeefc2ea36ff
PDF
Publication page8b31d1256e97ab4b2c8577f7607eb64633fa1883f4d9810ce340c0bc3e9e45d0
Manifest42790834af87f1df24c6cd0a7a3f59639c7095fef1c73dbef48761e21c0a8599

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
SignatureOwDOxLiYGDCUBI2uGqPPPRy4/W7UNXQYQNrdGese4yqZhOqwXf3IOqFuwAJ7q5DRyjBRXCfapGc5qreSra5dAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:34.509111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073424
observed 8b31d1256e97ab4b2c8577f7607eb646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.490676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073424/manifest.json
observed 42790834af87f1df24c6cd0a7a3f5963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.469991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073424/publication.md
observed 4b914646449d9e53e128d675fd817d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:34.450859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073424/publication.txt
observed 3b8f3ae2d73d84a4cd4bc67da94f4d7f...
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.