OpenTechnical

OT-2026-000104009

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000104009) never changes.

Identity and time

Publication numberOT-2026-000104009 · never reused
Internal UUID01a0aea5-15e8-7ca6-90ac-dd96781afb8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104009
StatusPUBLIC

Content hashes

Canonical textc15da58c45f3c91864594fba85c1bb6634eb446d988603d567d80e72ef187693
Markdown2c1f7c8cea6250bb48801e1e6e157eae063134f7b618f21c65e20db0e02435d1
PDF
Publication pagee2a3d38502ada043269420fb36a44c0dce83b4297da0b4484658f66a94eb2b57
Manifest4281d3c395ed57494fb28c0abc5cfb3f4870fca46c133f8a658c0676c5241feb

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
SignatureZq5qudCxnohVs4FWvO1M/EzkKmQ6xth5/h8iUCBVrvFcz1Sb7OjSRTs/gg1Swr38C2AgLwiowBOY4smVRc54BQ==
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

2026-09-17T09:22:01.266675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104009
observed e2a3d38502ada043269420fb36a44c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.250269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104009/manifest.json
observed 4281d3c395ed57494fb28c0abc5cfb3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.230872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104009/publication.md
observed 2c1f7c8cea6250bb48801e1e6e157eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:01.212240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104009/publication.txt
observed c15da58c45f3c91864594fba85c1bb66...
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.