OpenTechnical

OT-2026-000012206

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump 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-2026-000012206) never changes.

Identity and time

Publication numberOT-2026-000012206 · never reused
Internal UUID01a0ae6d-39f5-70b9-8bf7-739b77cf1711 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012206
StatusPUBLIC

Content hashes

Canonical textcc93ffd55d1578f7b74be32b519fd578121bfd26f64b137a363a7c1824bbb94c
Markdownb277e1fad85e0fd10172368e1a3a47250ce1395ca92ce5a693c1ed2ac941104e
PDF
Publication page289d16a1bb54bc2af48846bc1432937abe3d6937c0fd00162f40ffba698cdcb5
Manifestb39a47416ceb7bd45a3cfe54199b7da3d5b286c83beafce87ccd7c3cbffbc561

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
Signature4Ct28tXVNoolaEbMW7B25ghTiY68Fu5saNFvb8OeZEeVWDx3ubkdX53Nx7zVrpbY/truHgqoiLqKB7GgLm3eDQ==
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

2026-09-17T12:11:07.123482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012206
observed 289d16a1bb54bc2af48846bc1432937a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.099270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012206/manifest.json
observed b39a47416ceb7bd45a3cfe54199b7da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.080039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012206/publication.md
observed b277e1fad85e0fd10172368e1a3a4725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.061409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012206/publication.txt
observed cc93ffd55d1578f7b74be32b519fd578...
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.