OpenTechnical

OT-2026-000089223

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000089223) never changes.

Identity and time

Publication numberOT-2026-000089223 · never reused
Internal UUID01a0ae9b-db00-7dd3-99b4-4d546e9f3b07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089223
StatusPUBLIC

Content hashes

Canonical text88890c08416b21e766979bb20909993c1bc8475b2260395575af14ee4449a7d5
Markdown6b516117cda579aea6abeccd1cb9d55e2aa2b4f6bee51456eb029b06a2ea5d4d
PDF
Publication page931a3997ff26c9d04f472098690f929bdfe05b7f336a51425e8ce3beffb4d9bf
Manifesta48bdd4c1437601cfcad38cbc5557669963e64db4e34f87d4bfe92b6f7947586

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
SignatureimShGrnX6FOMZ4q+PO7qPNtvDNX5tO6ZBTsqtllH1GRhNJlYF8njRAvYvpp9JXtF2Y+4TxVTPqD2XsiaI8kXCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:14.887343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089223
observed 931a3997ff26c9d04f472098690f929b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.870799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089223/manifest.json
observed a48bdd4c1437601cfcad38cbc5557669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.852954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089223/publication.md
observed 6b516117cda579aea6abeccd1cb9d55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.833312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089223/publication.txt
observed 88890c08416b21e766979bb20909993c...
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.