OpenTechnical

OT-2026-000086154

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000086154) never changes.

Identity and time

Publication numberOT-2026-000086154 · never reused
Internal UUID01a0ae99-e82c-779d-84f6-5e63447b9513 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086154
StatusPUBLIC

Content hashes

Canonical text93f461b5ede5f8a5a1f638a3407eb79455c37d07c24bb3af2ffd70b977ba2191
Markdownd51e54cae8eabf91acb837644f171e0eb577ea459bda884db161b32c2928a5f3
PDF
Publication page67d705f689357525eeced0c09e6ab9eb5f11a22a2f687ec47724fc359f2063e5
Manifest7acc4d83decb9d23ce56cd0f6ac2f755ff338ed6b4dfe0208601416c2ce10922

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
SignatureYiq9CvOo8O0JXw8cgzn7Xl0YTJW56snIUNESYAKDsE7Svpr3n7izDMPdWn0Xy1EGrl8MAGqoB6jfvxkAzjeZAw==
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

2026-09-17T09:53:49.412223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086154
observed 67d705f689357525eeced0c09e6ab9eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.395963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086154/manifest.json
observed 7acc4d83decb9d23ce56cd0f6ac2f755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.378991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086154/publication.md
observed d51e54cae8eabf91acb837644f171e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.363339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086154/publication.txt
observed 93f461b5ede5f8a5a1f638a3407eb794...
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.