OpenTechnical

OT-2026-000099856

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000099856) never changes.

Identity and time

Publication numberOT-2026-000099856 · never reused
Internal UUID01a0aea3-1473-7e12-9173-91292ac40e70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099856
StatusPUBLIC

Content hashes

Canonical text3e2edecdea9a0ff0060ca9d9df42c69e0b4eb732342d2f3474025e50e3638c19
Markdowna2b36a137754a523738f882787e092856ac5534bbbb8654311f67ff2a979ba7d
PDF
Publication page02a4a3bdfb033de573bd9c27f235560b3c2123afe092f0b3ca12f6654cf967f4
Manifestb558b796b1e66f9936513ff565d583cde1501aa5bb25c3976c36044e8e6ad813

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
Signature98vOZRtQMecdgToDtuIc9Y/k7GTwUZ9FhV8V/MC06CgaW3JSkgFfdJoA2WDg6B5wQuWUBzJT0LOLx8IQ8l4RCA==
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

2026-09-17T09:30:20.002822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099856
observed 02a4a3bdfb033de573bd9c27f235560b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.983055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099856/manifest.json
observed b558b796b1e66f9936513ff565d583cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.926445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099856/publication.md
observed a2b36a137754a523738f882787e09285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.808866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099856/publication.txt
observed 3e2edecdea9a0ff0060ca9d9df42c69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.174493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099856
observed 02a4a3bdfb033de573bd9c27f235560b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.134559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099856/manifest.json
observed b558b796b1e66f9936513ff565d583cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.113785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099856/publication.md
observed a2b36a137754a523738f882787e09285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.022736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099856/publication.txt
observed 3e2edecdea9a0ff0060ca9d9df42c69e...
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.