OpenTechnical

OT-2026-000100418

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000100418) never changes.

Identity and time

Publication numberOT-2026-000100418 · never reused
Internal UUID01a0aea3-66ef-7657-99a5-0dbcdaf06f8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100418
StatusPUBLIC

Content hashes

Canonical text683f6c7ef7243bc31b3bcc709d3e6ee75b1fcf8b7cccf287eb6ed02202515baf
Markdown314e1e5456485b9e8a6abb8e7df0b3c24af9d7dfc128a4137eff8ac8bf13dc7a
PDF
Publication page0f2ed9cd00d674020faa3598ea89f76cb74731791c73b88271d4368b9f05ad23
Manifest80dc700f7f22b5204cbb7359f54dfd37b77a7c1611bea6aaacd5960255217371

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
Signaturenj9WdSheQu+Ggth6RjhMN6VxgiCrrablbBsr1zmSYwA2tW2gZLCWjWhE/I0jOTfWIcGXO6b7akIOdc8q1BDhCQ==
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

2026-09-17T09:27:09.591569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100418
observed 0f2ed9cd00d674020faa3598ea89f76c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.574213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100418/manifest.json
observed 80dc700f7f22b5204cbb7359f54dfd37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.557937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100418/publication.md
observed 314e1e5456485b9e8a6abb8e7df0b3c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.540945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100418/publication.txt
observed 683f6c7ef7243bc31b3bcc709d3e6ee7...
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.