OpenTechnical

OT-2026-000061934

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000061934) never changes.

Identity and time

Publication numberOT-2026-000061934 · never reused
Internal UUID01a0ae8b-b8ad-79d5-9123-70ce14b6566a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061934
StatusPUBLIC

Content hashes

Canonical textb53198a0808769ecff3ced7faaf1ef49a3057ae48a64770422948051ce6cb87a
Markdownbc495f2c120fd5dcdd1e13ae75689bda0205c80168efede4e3cfc5f8910f0922
PDF
Publication page8dfa85f06b08cf69c25952080cef1d76a9889340e11284361e7e0b85ab3d6367
Manifest956b0f92a8ffcb1deb5cbb1eab8fe929ef6abb1288c8d1ab3617143e29445c9c

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
SignatureV2On1J6RSQSE/YdArBHRpjtfPdE0gnD2rSxUFmKY5kRlKOHshxZtiRKbnEriKwySiIOvkpKp7mRpUfJcArh7Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:49.506805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061934
observed 8dfa85f06b08cf69c25952080cef1d76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.482820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061934/manifest.json
observed 956b0f92a8ffcb1deb5cbb1eab8fe929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.460828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061934/publication.md
observed bc495f2c120fd5dcdd1e13ae75689bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.436062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061934/publication.txt
observed b53198a0808769ecff3ced7faaf1ef49...
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.