OpenTechnical

OT-2026-000091509

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000091509) never changes.

Identity and time

Publication numberOT-2026-000091509 · never reused
Internal UUID01a0ae9c-f16d-702e-b11e-64127738c309 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091509
StatusPUBLIC

Content hashes

Canonical texte65abb8739fa5a4db88b842f6a51e1448982138526a728f23f8f677c1b15f444
Markdown2d901d101e18ce161b686bfad4821a808511ccf058370f1aeb41119472b6491e
PDF
Publication page992b4b7e1dc4c4e1dd4879271c9a616199a3c005c26340e5e477b86180ad979f
Manifestffeaf9d13ee8151e4d0fb2d2b7c28e143043e8da83aee208a14e9a709157bba2

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
SignatureLUAJez16K9SC8ztWXOVotxMyvHBDEj3y2Z9QvwA2ZK+CcV8fvQkDmSlBHnxoye6sSD0dr5kN27jUY/Vik8ksAg==
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

2026-09-17T09:43:46.289209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091509
observed 992b4b7e1dc4c4e1dd4879271c9a6161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.270857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091509/manifest.json
observed ffeaf9d13ee8151e4d0fb2d2b7c28e14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.253546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091509/publication.md
observed 2d901d101e18ce161b686bfad4821a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.235241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091509/publication.txt
observed e65abb8739fa5a4db88b842f6a51e144...
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.