OpenTechnical

OT-2026-000082189

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000082189) never changes.

Identity and time

Publication numberOT-2026-000082189 · never reused
Internal UUID01a0ae97-4d93-7e99-b94b-39e04dd7f41e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082189
StatusPUBLIC

Content hashes

Canonical text1ad612e6f5a39b898013006094ce0facb89a4c97a595b1c3b0d086847054b0ab
Markdown7b628f06e998f20542be47a4880003a80bd688462501d1cf5a568baeba495b8e
PDF
Publication pagea9bcf32b356374d80af50990050576a17faa027e6cbabbd1130e9c41f117f269
Manifest12ecb484c2384d23de51be103e1b537c8a770721c677fb8dfd6b8723679f77f1

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
SignaturetE1rq7WEXnFeJ5VUh57C8b7cusbbwuSddtbTYVCCgUEHFT6ex3o4idacwCNS3IfzphP15bLKCi2/o4WmUXCYDw==
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

2026-09-17T09:59:01.113953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082189
observed a9bcf32b356374d80af50990050576a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:01.097631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082189/manifest.json
observed 12ecb484c2384d23de51be103e1b537c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:01.081034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082189/publication.md
observed 7b628f06e998f20542be47a4880003a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:01.066170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082189/publication.txt
observed 1ad612e6f5a39b898013006094ce0fac...
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.