OpenTechnical

OT-2026-000018874

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold 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-2026-000018874) never changes.

Identity and time

Publication numberOT-2026-000018874 · never reused
Internal UUID01a0ae6e-d522-7ffd-b125-cba6b4c3d09b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018874
StatusPUBLIC

Content hashes

Canonical textb0ef33f39472b0adc14c4ffd5f6c2181bd3874781c8768c9540e14e8fe1034cf
Markdown09e98f9701f9936be958a39697b923d1935ae6941f7a14416f6f1067ac39badb
PDF
Publication page82eff03f37793ba66bb2c644ad96f24809cf80fb156af81a52c1f3caa9192cf8
Manifest3cec9b9b1664a71ac5348fd6d78142b638edd659da3e971ca6a23539a6dbbe55

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
Signaturelv3mhkvN0YZsL/7FRiQEZt+fasURekzXl7kkFAmP4nyNPRQVo5fEkDTDK5/2byPCBUjD+EWC2enzt0HQZyhsBg==
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

2026-09-17T11:59:31.332946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018874
observed 82eff03f37793ba66bb2c644ad96f248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:31.315532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018874/manifest.json
observed 3cec9b9b1664a71ac5348fd6d78142b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:31.297414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018874/publication.md
observed 09e98f9701f9936be958a39697b923d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:31.278600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018874/publication.txt
observed b0ef33f39472b0adc14c4ffd5f6c2181...
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.