OpenTechnical

OT-2026-000100026

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000100026) never changes.

Identity and time

Publication numberOT-2026-000100026 · never reused
Internal UUID01a0aea3-1474-79c1-8778-31b2fb9816c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100026
StatusPUBLIC

Content hashes

Canonical text4af2ed6fbc4f01b94dfd391d8d878d41b0158768fa971f4168d65019d465d5d7
Markdown49ab5b88edc4b785ff97f31c9aa62e76ab7a25177f42035574e9d72cb117bbcd
PDF
Publication page3d005b797c3344ed4c5d3855bcb4ea92891acd2264336e95b4d361580173c00a
Manifestcf9e0ab575aac2acf9a24871375eca290097460e264d9ffd951affb4dd188f73

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
SignatureBL7KLEBM0PJehhApYY6BxQIMKqJxS1+Sx7D0esyyAp+Jnb22J2H+zdnC84eAWtEozhE5dCHBOinIVxSzWYO0AA==
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

2026-09-17T09:28:57.617609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100026
observed 3d005b797c3344ed4c5d3855bcb4ea92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.598851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100026/manifest.json
observed cf9e0ab575aac2acf9a24871375eca29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.578306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100026/publication.md
observed 49ab5b88edc4b785ff97f31c9aa62e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.561608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100026/publication.txt
observed 4af2ed6fbc4f01b94dfd391d8d878d41...
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.