OpenTechnical

OT-2026-000082197

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000082197) never changes.

Identity and time

Publication numberOT-2026-000082197 · never reused
Internal UUID01a0ae97-4d93-7224-9fd1-effa0da49334 · 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-2026-000082197
StatusPUBLIC

Content hashes

Canonical text47c23a4f43c6451ba0ef2a4c2da2032452ef9f9a297cc5e3f232fca7b24da2ab
Markdownebeb4279fbdd082cad2c4bdaee524aeefc99e6c9b09dc03bfb95177835218424
PDF
Publication page52c4e5854a45badcb599d525be503a886529a27a74a7e2ca02bfafe99a6d0561
Manifest91cfcb4cb0a0de2fb315d3c7a9c703908f7fd0d06ce696d5659e1a38b10f507d

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
Signaturey/dS67ZuvaAE9rmBkYsAqk2Lf+lAYttiO9wCkzdXV0HDX80VU/znNvWkJji0HgQg+jUBLyQ5fMcrOPJIwkcgAg==
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

2026-09-17T09:59:01.732140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082197
observed 52c4e5854a45badcb599d525be503a88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:01.714178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082197/manifest.json
observed 91cfcb4cb0a0de2fb315d3c7a9c70390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:01.696990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082197/publication.md
observed ebeb4279fbdd082cad2c4bdaee524aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:01.677885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082197/publication.txt
observed 47c23a4f43c6451ba0ef2a4c2da20324...
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.