OpenTechnical

OT-2026-000024133

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, sustained 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-2026-000024133) never changes.

Identity and time

Publication numberOT-2026-000024133 · never reused
Internal UUID01a0ae70-e8c7-7cf4-a430-af262fbedbde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024133
StatusPUBLIC

Content hashes

Canonical text2ca223cf22c1c52c8215de72b89f06357639701b3fee96dc3e39d4e68f9ebe49
Markdowndb2bddbb33a9837d5643ba2c0c47a1738664e4e8be72de4167c5138707289896
PDF
Publication pageaacda908ce8b0cd5d483efe73503b15d451b5faf7a3b1fe84adaa29fd602035e
Manifest52514a2a16a3d99ae4bfa62023c62afc5648a87f440f111f2bd4ef2cb9ab21fe

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
SignatureSf2boXbvF2FRMLEUXF6mm+zxRTcvxzL6L5X9qs7cF39vM3nxuCnQ/QPcrMB17dQLqUuLVKy5+0OQcZSrE9V1BQ==
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

2026-09-17T11:48:33.839922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024133
observed aacda908ce8b0cd5d483efe73503b15d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:33.823360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024133/manifest.json
observed 52514a2a16a3d99ae4bfa62023c62afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:33.782485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024133/publication.md
observed db2bddbb33a9837d5643ba2c0c47a173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:33.738617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024133/publication.txt
observed 2ca223cf22c1c52c8215de72b89f0635...
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.