OpenTechnical

OT-2026-000099926

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump 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-2026-000099926) never changes.

Identity and time

Publication numberOT-2026-000099926 · never reused
Internal UUID01a0aea3-1473-70db-ad7a-c75fa48f7975 · 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-2026-000099926
StatusPUBLIC

Content hashes

Canonical textd66d41583d4d0d79a2406512c77aa6931362d08e94a49f6c10b31e50dfd55109
Markdownc02254101b7f03b96198f87f2f6054a4b866246d22afead987861dd834cf8135
PDF
Publication page021fd082e2f7610a6e084e1ee292562ed97d471f6552be2724c6a96f5020fd5f
Manifest33b3c3eb28478956a5f60c5386d4c24b41e06336fa5c2f74cda606d61ec95944

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
SignatureGqcNOdgb68oJPTJeUQGP8NFwD4DtILJGiYbkkUjwq3rUVa279pjO58MP5/qN7cl+APYTYIM0KMGfRHmqgwNMDg==
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

2026-09-17T09:30:34.287855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099926
observed 021fd082e2f7610a6e084e1ee292562e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.269435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099926/manifest.json
observed 33b3c3eb28478956a5f60c5386d4c24b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.250312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099926/publication.md
observed c02254101b7f03b96198f87f2f6054a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.231514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099926/publication.txt
observed d66d41583d4d0d79a2406512c77aa693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.839024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099926
observed 021fd082e2f7610a6e084e1ee292562e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.821624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099926/manifest.json
observed 33b3c3eb28478956a5f60c5386d4c24b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.803695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099926/publication.md
observed c02254101b7f03b96198f87f2f6054a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.786495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099926/publication.txt
observed d66d41583d4d0d79a2406512c77aa693...
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.