OpenTechnical

OT-2026-000100030

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000100030) never changes.

Identity and time

Publication numberOT-2026-000100030 · never reused
Internal UUID01a0aea3-1474-7a5c-b11d-cdd36b8749fe · 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-2026-000100030
StatusPUBLIC

Content hashes

Canonical textf6d3c989bc10ade8661590ebae215a46f10a9ae4751ec95da38f7793bcd21c50
Markdown6ce5d333994fc0c5c12c161c78c320aaae7c8c3a14b64812a5509414263387d7
PDF
Publication page7a4a1900183c6bb8a2813fd82f4ae364b6af333eea2daf10e3abc9dca0b754b8
Manifest6f60b294d3b56f489388bd95fcc4cf2044c90c876fc207872dc54f1ac91c6e8f

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
SignatureaE0ekOHGpgYogb/CN4MN/3R56YydLMwGe52nUK5/5Qe9sY3aWk16cMAl5xTjAXvyI0AEV2sjJcjepeCaSW+oAw==
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

2026-09-17T09:28:57.919078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100030
observed 7a4a1900183c6bb8a2813fd82f4ae364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.900857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100030/manifest.json
observed 6f60b294d3b56f489388bd95fcc4cf20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.883803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100030/publication.md
observed 6ce5d333994fc0c5c12c161c78c320aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.866267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100030/publication.txt
observed f6d3c989bc10ade8661590ebae215a46...
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.