OpenTechnical

OT-2026-000023089

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three 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-2026-000023089) never changes.

Identity and time

Publication numberOT-2026-000023089 · never reused
Internal UUID01a0ae70-46ed-7ea0-add0-cdabda69bb8d · 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-2026-000023089
StatusPUBLIC

Content hashes

Canonical text36ad1cd31c867a4d6aecd6d42efafef9e5f8677b60c2b2de10acf94f55ba4437
Markdownd37a9285d04fd9faf8d3ac5cc7a62ae1598ce1f73b65f1b138fa1b318b4efe36
PDF
Publication page4cfde7df08855f6e4bbf4fbd85996da84f683a4652ef840e0b469dc06df88a01
Manifest48552f053928413e3869a4259e1e82b8c0f1ecb5a8c3a3269a1726d1fa54f87b

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
Signature3lG7Guxertf2IJQofs+KSAAgsKgNYKgkRaRcS1SPIEV71MD2mXczrFzenhUmGCdeXorPx/+TRsEqTyDiIf+4AA==
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

2026-09-17T11:52:43.261594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023089
observed 4cfde7df08855f6e4bbf4fbd85996da8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:43.244677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023089/manifest.json
observed 48552f053928413e3869a4259e1e82b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:43.228235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023089/publication.md
observed d37a9285d04fd9faf8d3ac5cc7a62ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:43.211327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023089/publication.txt
observed 36ad1cd31c867a4d6aecd6d42efafef9...
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.