OpenTechnical

OT-2026-000023041

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single 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-2026-000023041) never changes.

Identity and time

Publication numberOT-2026-000023041 · never reused
Internal UUID01a0ae70-46ec-7527-956e-40f543c29ffd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023041
StatusPUBLIC

Content hashes

Canonical textcdc4560fff4ce80a5232b15c54aa802420545ed554dd210865e15cdf8de38955
Markdownbf250c88ed8d29f0928c1749d67d3542f330dfa4a63c9f896731e06532ef60e2
PDF
Publication page441f9b20b937895506cdd1e71e4524e171504f86378ead8089c68bb22986eb8b
Manifest60e25b8511b352f150464916ca8b972141fbaf4db9e0a446517f52656036a509

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
Signature/JnSiWuGOPi0Sqx/0EHkbauij2m7Os3clPLmOhKt+wEBBqTieC1KeLC43Ddwj75ZerPMD7LgmW4g63TnCkYxCw==
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

2026-09-17T11:52:38.716570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023041
observed 441f9b20b937895506cdd1e71e4524e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:38.698812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023041/manifest.json
observed 60e25b8511b352f150464916ca8b9721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:38.680130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023041/publication.md
observed bf250c88ed8d29f0928c1749d67d3542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:38.661970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023041/publication.txt
observed cdc4560fff4ce80a5232b15c54aa8024...
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.