OpenTechnical

OT-2026-000019668

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000019668) never changes.

Identity and time

Publication numberOT-2026-000019668 · never reused
Internal UUID01a0ae6f-1fb3-7531-81a3-28cd56764075 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019668
StatusPUBLIC

Content hashes

Canonical text005edd6a1e97053b81dc2cf0ade36d3b719fe972fa75933f5cb730b3ee9bd801
Markdowna7ab5219299d3fded84c294ba5d4147339353002f948f33c024a5da2e75fe98f
PDF
Publication pagee45fceffdd9751ffb3cac0fa9f1efe859c37af90e37510338447e0a34aac5324
Manifestef18b1d9a46b702396dda3f31e106f06e913774535d7b59bb34a599139b54a27

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
SignatureKe7Bev1GRIflJDu6+IZN8Xm7iYOmOC00WRyVmfggQh51EaBxuXxEvfhkaI9g62JL46GRmpcp33qgQoQbHv4WCg==
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

2026-09-17T11:57:44.175176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019668
observed e45fceffdd9751ffb3cac0fa9f1efe85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.158294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019668/manifest.json
observed ef18b1d9a46b702396dda3f31e106f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.138993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019668/publication.md
observed a7ab5219299d3fded84c294ba5d41473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.120612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019668/publication.txt
observed 005edd6a1e97053b81dc2cf0ade36d3b...
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.