OpenTechnical

OT-2026-000017350

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000017350) never changes.

Identity and time

Publication numberOT-2026-000017350 · never reused
Internal UUID01a0ae6e-76c9-731a-b5bc-94b913d0e29c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017350
StatusPUBLIC

Content hashes

Canonical text4f63076ca0c67009b378d6f1eb38bc403ffca0b1e6eca3fe4839e77df448be8a
Markdownae02a2695d4b6605bf6c730147535d28326756dc6cdc5508a7e4b7d2ff7d551f
PDF
Publication pageb6911c2b44d2fbac6fb8019b9e9c58490833473fc3a68af9b51db7ae15d3a531
Manifest64b98510adf2261ea3c2c3ca4b39ee483d9af579c75d5a5e8e21cae5d622738b

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
Signature3lKG1uDyN8yqUzgKdgeLLh8PhMVSUjN2D4KogF7ObpEg8rfuxsXJbIsmSx1npPvQZcx3aKKd6CgIcxMHNxSyDA==
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

2026-09-17T12:02:27.826943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017350
observed b6911c2b44d2fbac6fb8019b9e9c5849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.810744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017350/manifest.json
observed 64b98510adf2261ea3c2c3ca4b39ee48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.787068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017350/publication.md
observed ae02a2695d4b6605bf6c730147535d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.768697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017350/publication.txt
observed 4f63076ca0c67009b378d6f1eb38bc40...
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.