OpenTechnical

OT-2026-000017275

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000017275) never changes.

Identity and time

Publication numberOT-2026-000017275 · never reused
Internal UUID01a0ae6e-76c8-7a6e-9546-25905064f98d · 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-2026-000017275
StatusPUBLIC

Content hashes

Canonical text6a2e54c3d469d8592d148238f7b18b2efe799ec327d73baf29cd37116c2d6cd1
Markdowndf91d0db0379bf3bc67b84d398199a7b342747a090049498386aaa11abc9b415
PDF
Publication page204d59ff0763372f6327dc7394585ef965ab833028dc0449954ef67afe129fba
Manifest2a5de9e53a1e9cca546cc218d47122961e6f037470f65348fe19ca103906ae2d

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
SignatureMSyb9mPzhBADY9mhqShzDJeSa9F7rRjM+txkipRk8I+RnYjDzOLK4jFkv96WDXSP2lrNpp7Vx02msg9Op+cCDg==
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

2026-09-17T12:02:22.199009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017275
observed 204d59ff0763372f6327dc7394585ef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:22.181195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017275/manifest.json
observed 2a5de9e53a1e9cca546cc218d4712296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:22.163746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017275/publication.md
observed df91d0db0379bf3bc67b84d398199a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:22.145584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017275/publication.txt
observed 6a2e54c3d469d8592d148238f7b18b2e...
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.