OpenTechnical

OT-2026-000015524

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000015524) never changes.

Identity and time

Publication numberOT-2026-000015524 · never reused
Internal UUID01a0ae6d-ef4a-70de-8397-1352043baa69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015524
StatusPUBLIC

Content hashes

Canonical text457a8089b8bbb5a0a0d4a561b8e6bf42f2e37351b75e95c45e71797c282ccbfc
Markdown3afa6a7c9281a5da94389be09abe80775c2875592ba306e3c0708aa26509c7d5
PDF
Publication page7479a9265ce2ab794888cb3e5c430613a0eba11816cd5b3eee4a561dbdc7ff18
Manifestc387585c625f670ae83f378393656e7d0f87608ba95fbaf8577e83879e64e490

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
SignatureWEA3gDNzIHrwQuoBBuq0vDFIIvCsN8aRWs46Xk9EzSMksCYCMxu+GdkxdTQrP6pSlc2P/lNbOObcgkwbYCNLAw==
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

2026-09-17T12:06:18.005640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015524
observed 7479a9265ce2ab794888cb3e5c430613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:17.983883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015524/manifest.json
observed c387585c625f670ae83f378393656e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:17.963266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015524/publication.md
observed 3afa6a7c9281a5da94389be09abe8077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:17.942180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015524/publication.txt
observed 457a8089b8bbb5a0a0d4a561b8e6bf42...
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.