OpenTechnical

OT-2026-000088426

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088426) never changes.

Identity and time

Publication numberOT-2026-000088426 · never reused
Internal UUID01a0ae9b-5d27-7888-a797-9fd76081d2e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088426
StatusPUBLIC

Content hashes

Canonical text6e3eac50309aa06b0db96449e65d0063734d6d9e22733746c7bcd23b02411889
Markdownb4251e7334e1bb17c974b44bfc22dab49640bcd8c093ed395e04266750570569
PDF
Publication page88f9577e70784ca24ffbfdb7e9b70a82a40f96a874ef1dd58bca076af851f242
Manifest0189d3c25fd2e6054a5173255bf46e1d18f6c9ec873d8b17d6b32964ff5b4b36

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
SignatureFyXan9bO7NmcGlrK0dblNlP6qLRrpmxAxFeeR+0SBG1Kd0oaztxNPP8kJi8D+fQT48iSg2iggln5AU6Ha+ueDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:43.052428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088426
observed 88f9577e70784ca24ffbfdb7e9b70a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:43.030173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088426/manifest.json
observed 0189d3c25fd2e6054a5173255bf46e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:43.009577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088426/publication.md
observed b4251e7334e1bb17c974b44bfc22dab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:42.977495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088426/publication.txt
observed 6e3eac50309aa06b0db96449e65d0063...
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.