OpenTechnical

OT-2026-000084604

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000084604) never changes.

Identity and time

Publication numberOT-2026-000084604 · never reused
Internal UUID01a0ae98-e25b-714b-afbb-d94927ca6f02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084604
StatusPUBLIC

Content hashes

Canonical text1829e84d416de8d475409374b8dd0fb279bcc38545489b458714a0dcceeed50c
Markdown87ff0824c7908308ccf9ea76ac12fcaef3d1f2a091c86a745ab706929cf2880c
PDF
Publication page1e45348d7b3c95c188a083b88851f0a026b5ef8262672f43b7c644ce7915ba77
Manifestcec0e66aa4d61de2b6fe7c943c0c1d0c3729ac3914f5cd5b7212ac3c998b82bf

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
Signaturess/Cumr6+q8LYd10mHyfvijCZNf9WM7RrBjV5HyPKKhSZ3d9w1dNbxNm0Ehvk1jCNEf+VZri/1KS6XnKJp1dDQ==
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

2026-09-17T09:55:30.706646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084604
observed 1e45348d7b3c95c188a083b88851f0a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.689554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084604/manifest.json
observed cec0e66aa4d61de2b6fe7c943c0c1d0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.670767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084604/publication.md
observed 87ff0824c7908308ccf9ea76ac12fcae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.653630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084604/publication.txt
observed 1829e84d416de8d475409374b8dd0fb2...
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.