OpenTechnical

OT-2026-000100211

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000100211) never changes.

Identity and time

Publication numberOT-2026-000100211 · never reused
Internal UUID01a0aea3-3053-74ca-98cc-920ea72e384d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100211
StatusPUBLIC

Content hashes

Canonical texted118b8f367c056723550a5361eab313699160cb3fa8a0b35e55c509559fac40
Markdownc3f8e90227a15dd2b04eec9e390c26168c75dd4fbd9681f5d2e439851283eb28
PDF
Publication pageac5b1e2352f1131289522420d0fd9768b4743a05d052a2c690736610734011ff
Manifest571eb803a7db2ae71e4cf8d212874eacd2b707d1f31d3a2ce0aea1817139214c

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
Signaturer2zHrztLxT2Q/QEkCxdpveMbcwG9K47fJh2MSaGoc6I6yTof/brq6HW2yu/GMtQrZyPhDyfta43RJgdJgf7CBw==
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

2026-09-17T09:27:56.171611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100211
observed ac5b1e2352f1131289522420d0fd9768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.150788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100211/manifest.json
observed 571eb803a7db2ae71e4cf8d212874eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.130429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100211/publication.md
observed c3f8e90227a15dd2b04eec9e390c2616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.111849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100211/publication.txt
observed ed118b8f367c056723550a5361eab313...
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.