OpenTechnical

OT-2026-000103249

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000103249) never changes.

Identity and time

Publication numberOT-2026-000103249 · never reused
Internal UUID01a0aea4-be3f-7882-8d45-d217058725bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103249
StatusPUBLIC

Content hashes

Canonical text8eed6171c62e2c38a597086bd4d61efe00bfcc13bda1ccb0bd57aa795781c6c0
Markdowncb99be4223b47726ad8de882a44314d2c2c4ef9cf02b3c1b6a9b567694773509
PDF
Publication paged8b738df4804103c1418a12677753a6f58af39132fdcef67b1f9b69526f0ebe9
Manifest3fb261165ef8001ec83ce4b72e4e82d075207a411adbb23795809ed4d0db5209

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
Signaturezo1rMjvfPkr1Q+k0puvC2Y9Eje8Lg50jtc5jFeTJ2IEh1OqjMMv0e0OpQHignDbh2L5I94ZDZc05IfIJgRU9Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:50.690277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103249
observed d8b738df4804103c1418a12677753a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:50.673704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103249/manifest.json
observed 3fb261165ef8001ec83ce4b72e4e82d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:50.649180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103249/publication.md
observed cb99be4223b47726ad8de882a44314d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:50.624342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103249/publication.txt
observed 8eed6171c62e2c38a597086bd4d61efe...
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.