OpenTechnical

OT-2026-000021052

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000021052) never changes.

Identity and time

Publication numberOT-2026-000021052 · never reused
Internal UUID01a0ae6f-65e5-72e9-a47a-852a4c468d13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021052
StatusPUBLIC

Content hashes

Canonical text7c635483d903d56a940791e61422a588b6c152ad09fb6cea3d9eb8cc5c2f2b78
Markdownad18f06c74320977777fabd4ef8f9ee5fb65508c0c0e760846892aedc4aeac4f
PDF
Publication page051001018cf44577bf261cbe582c63ceab1a59252f909c40ffc41dd72d97089a
Manifest3c60f10ac3279122fbebb350cbcea5117600bf4a7481f10e1d557122bf9c90f3

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
SignatureGCmsIiue/jyDuYY63aiFjPUIkW0bKtajg11lsM1NpneSWK2Ns0W6HX/ZxxGUNur4enNCLytk+mKDp9qXnZEdAg==
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

2026-09-17T11:56:13.208609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021052
observed 051001018cf44577bf261cbe582c63ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:13.189410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021052/manifest.json
observed 3c60f10ac3279122fbebb350cbcea511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:13.167753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021052/publication.md
observed ad18f06c74320977777fabd4ef8f9ee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:13.147673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021052/publication.txt
observed 7c635483d903d56a940791e61422a588...
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.