OpenTechnical

OT-2026-000095790

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000095790) never changes.

Identity and time

Publication numberOT-2026-000095790 · never reused
Internal UUID01a0ae9f-fac6-7519-adfa-557ea744f27c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095790
StatusPUBLIC

Content hashes

Canonical texta4949ef3e9ec871c95456fd7d3947dfff7e3c9fe06ad9d0cf305e8128fcfe3d2
Markdownc6d791f3905cd8a69241be7884ee74d7633a61045e30dae354a9ab0ca9b9b37c
PDF
Publication pageefb67681f890d2dd00b4dcb413c5b1601e5e309dde1e77bf9a0d11b70dfdba3f
Manifest3d73367e3e0efd16c1dfc6047eaa792b00977a402127d222db3e1d85fa5a45b5

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
SignatureFaT0G/U+PLKwCMynGzRjf0mznSLMOlNjMKQ41NVKHtHG6zp2LoTAOwK+nIc/N2GQt2tOP2Q304fKOjyGrdZcCA==
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

2026-09-17T09:35:51.596598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095790
observed efb67681f890d2dd00b4dcb413c5b160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:51.577799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095790/manifest.json
observed 3d73367e3e0efd16c1dfc6047eaa792b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:51.559316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095790/publication.md
observed c6d791f3905cd8a69241be7884ee74d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:51.541532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095790/publication.txt
observed a4949ef3e9ec871c95456fd7d3947dff...
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.