OpenTechnical

OT-2026-000104013

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000104013) never changes.

Identity and time

Publication numberOT-2026-000104013 · never reused
Internal UUID01a0aea5-15e8-7201-bb35-04c91d820dc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104013
StatusPUBLIC

Content hashes

Canonical text1c78f64deb86e10129f7fc4f78e2bcbdd574a5a170c1b3fb24328ee42735e3d1
Markdownd2b97cede23b5ffd2083391b4fc00f3f2865fa350c96216f721a3de6687eaf38
PDF
Publication page4934a1f9d76798deb24ab4bcc2bb6722a99e52690940b8f0159701bfb4c6a0d0
Manifestfffb90ad39944990e87ac1d9ab4c8f464d370eba10568bb1bdb8d5362708e538

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
SignatureHvyuj0lasSxcsB1mgTO5NyafxNlBB65DVNwuuR4qe/gvhoXvAMyff4Ckv62PV82D1Lqa4hIGv5I50hP3w5b5Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:01.542736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104013
observed 4934a1f9d76798deb24ab4bcc2bb6722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.525943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104013/manifest.json
observed fffb90ad39944990e87ac1d9ab4c8f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.509539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104013/publication.md
observed d2b97cede23b5ffd2083391b4fc00f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.492895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104013/publication.txt
observed 1c78f64deb86e10129f7fc4f78e2bcbd...
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.