OpenTechnical

OT-2026-000039172

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000039172) never changes.

Identity and time

Publication numberOT-2026-000039172 · never reused
Internal UUID01a0ae78-9673-710d-bb6e-a4418ed55228 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039172
StatusPUBLIC

Content hashes

Canonical textb4857f1834a52c5238712cc832f767ab925cc3e8f8c01e97db973f12c2557153
Markdownc0185a3350068ad7bb6e3b646d91325bd2de8f450700ed556705c74bc63d4559
PDF
Publication pagee64519647095dd7a63f345f51ff67ff8c4f7cddb7a8b91aeaad49535f7d35062
Manifestd8b59bf117eb714ec013e96b1b6094adf7a6d803b54ee52a839238d4aad5cf8d

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
SignatureXlYHd/VKS8ISh2BtqCNaVERH0BGUGfDyorG2x0IRSxJsFCfqb7WRagwUv3Ade9si3swso2OYBgc7JDynO+EiDA==
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

2026-09-17T11:20:41.658398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039172
observed e64519647095dd7a63f345f51ff67ff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:41.642656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039172/manifest.json
observed d8b59bf117eb714ec013e96b1b6094ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:41.625036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039172/publication.md
observed c0185a3350068ad7bb6e3b646d91325b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:41.607003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039172/publication.txt
observed b4857f1834a52c5238712cc832f767ab...
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.