OpenTechnical

OT-2026-000091603

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single 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-2026-000091603) never changes.

Identity and time

Publication numberOT-2026-000091603 · never reused
Internal UUID01a0ae9d-43b8-7000-b875-51be238aa121 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091603
StatusPUBLIC

Content hashes

Canonical textbdb97c802a916f8605739dd4580bb8f495fe820b05138fb282de0ee287d3ce2b
Markdownebd2b9a1e567c24f1353a84fccefbe42feb661c04a2256fe92cc85d09b8829ac
PDF
Publication page0d29aa52349048a1da9f1642149d1f9c2f9ea0114c914286132c23373ced4598
Manifest61b113b27251290f5536ab86af049964c48fed0f14b21542b7f24fa6ca145d53

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
SignaturejIjVAING40fiR8eExfUbQU+ktc9eAn8UFQEwfg2Ve8++4yvVJJ0bqDwIPeTlvDt3IyqAPuccgT6VTaF58anGCg==
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

2026-09-17T09:41:57.470177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091603
observed 0d29aa52349048a1da9f1642149d1f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.452729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091603/manifest.json
observed 61b113b27251290f5536ab86af049964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.435414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091603/publication.md
observed ebd2b9a1e567c24f1353a84fccefbe42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.419293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091603/publication.txt
observed bdb97c802a916f8605739dd4580bb8f4...
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.