OpenTechnical

OT-2026-000095190

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, 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-2026-000095190) never changes.

Identity and time

Publication numberOT-2026-000095190 · never reused
Internal UUID01a0ae9f-8f6f-7931-8b40-0c659a1136be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095190
StatusPUBLIC

Content hashes

Canonical text8b5816dd30d3f7d61ac4f398b9bf5bf19f4b87cee69882a9651ec1cefddba377
Markdown4dc769ff2423862b4f24afa2847708b45b4274380d15e2efc598ac9ad38b4fde
PDF
Publication page278c6924be0893a6e96dec96d772796a726e09a35b1a2f013e3a68e303a6d9cf
Manifestc33a44a8198ca91ce98d78d35441bf53f5abc4d55cf3aa8c425eb08bde93e0dc

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
Signaturenic7MwXG7w8nunFeSNbzgGCC+HWMHCkNeiJN0zT4mWs/V6nsyvFb0cUbJ45wDvhI3aqTl4vz5iLRNFmRmH9hDQ==
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

2026-09-17T09:36:30.159697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095190
observed 278c6924be0893a6e96dec96d772796a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:30.141877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095190/manifest.json
observed c33a44a8198ca91ce98d78d35441bf53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:30.121846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095190/publication.md
observed 4dc769ff2423862b4f24afa2847708b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:30.070547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095190/publication.txt
observed 8b5816dd30d3f7d61ac4f398b9bf5bf1...
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.