OpenTechnical

OT-2026-000014228

Publication integrity record

Four bellows cup vacuum gripper, 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-2026-000014228) never changes.

Identity and time

Publication numberOT-2026-000014228 · never reused
Internal UUID01a0ae6d-b279-7d2e-ad34-9c59fafd5f00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014228
StatusPUBLIC

Content hashes

Canonical text2eb8894a42264b0d99690c2e2d37ce479258b9e35f73d47663ffda5ebb535f0e
Markdownd2e253b716b4836e2678d5e77f2ca60ccc871019efd24d71e55d24e298adb51f
PDF
Publication pagece11fed8c0ef38d1b8f85415bd40c69ec2d2da72ddbd3c7175aa1315904f8a02
Manifestf7591c88ffcdb115f2ed2dee02f246b98010ecc2e2514a5f74c79a8e372a9e65

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
SignatureozGSgLP+P5XEfWIWf8OzvksGU1YwsGSQ6fhPRqOB8EEpfFUioX8bA97K4Dwv7tMWH13BVgSLK8DkxpLm/tcqAg==
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

2026-09-17T12:07:20.502927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014228
observed ce11fed8c0ef38d1b8f85415bd40c69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.475063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014228/manifest.json
observed f7591c88ffcdb115f2ed2dee02f246b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.453053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014228/publication.md
observed d2e253b716b4836e2678d5e77f2ca60c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.430725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014228/publication.txt
observed 2eb8894a42264b0d99690c2e2d37ce47...
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.