OpenTechnical

OT-2026-000022284

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000022284) never changes.

Identity and time

Publication numberOT-2026-000022284 · never reused
Internal UUID01a0ae6f-f4fc-7ac1-8624-21a324324277 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022284
StatusPUBLIC

Content hashes

Canonical texte59059f204ef852ae8922c26c5b6359b5a225145bfbe9dc02a27a631fb6a120c
Markdownea491db2ffe99795467df89faf0ef0a60619f27f32deaa91af535949b44047f6
PDF
Publication pagea0b9bc6cdc03a92ca7a3a29d90541d036328eeb8c83d5399049dbe68e3f5bfa5
Manifest042efcb0157e5ee6a12706f5ae9b05beaf00baa1ce7619f36935073c463b0e6f

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
SignatureVt2kRxribWOw/QsjsC6DPtck0Rl2fObOUx5nov2K7pNG+4FQXeVHcFcqyxI3EgLHXr1+RtUOOxy4PHcpFSTyBA==
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

2026-09-17T11:53:05.174638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022284
observed a0b9bc6cdc03a92ca7a3a29d90541d03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.157665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022284/manifest.json
observed 042efcb0157e5ee6a12706f5ae9b05be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.139929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022284/publication.md
observed ea491db2ffe99795467df89faf0ef0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.121929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022284/publication.txt
observed e59059f204ef852ae8922c26c5b6359b...
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.