OpenTechnical

OT-2026-000047607

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000047607) never changes.

Identity and time

Publication numberOT-2026-000047607 · never reused
Internal UUID01a0ae7f-3e5a-7c0f-a97c-18d7ef535466 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047607
StatusPUBLIC

Content hashes

Canonical text1f57cce50ebcedac898ef8ea7205255de80720ead8e9ca015420b7d39ddd0685
Markdown209fd0811e15d05d6cfcafe3f018f058bee43b34fd39026de8d7cb21a48b7426
PDF
Publication page4860648f1fffe752516fb604ffc3f1cf89ec9a4fba7b05cd94ea0415901970bb
Manifest7038da2a8ebdcc5081f0811026149e2a47e036898d0a3365f732a216ff906518

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
SignatureQ8VFAjdOGyQFjFBloXZQOfEk1rZLOiNLRX5VR15JrKLA5VZ+VMAkF5wfe3/5DEQX8oPvrGT7PBRM4PJICcU9BQ==
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

2026-09-17T11:06:44.756179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047607
observed 4860648f1fffe752516fb604ffc3f1cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.737394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047607/manifest.json
observed 7038da2a8ebdcc5081f0811026149e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.718061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047607/publication.md
observed 209fd0811e15d05d6cfcafe3f018f058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.698731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047607/publication.txt
observed 1f57cce50ebcedac898ef8ea7205255d...
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.