OpenTechnical

OT-2026-000043752

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three 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-2026-000043752) never changes.

Identity and time

Publication numberOT-2026-000043752 · never reused
Internal UUID01a0ae7b-d676-75b7-91b4-85a5afac9185 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043752
StatusPUBLIC

Content hashes

Canonical textae7a39995c736063e8f288b76e3de30e413265a460dbd97dc2b92bcf3dadfbef
Markdown124a4bea7a113eea6353c6f2a78a95395f40e008ebf8076546af0012b8cc0620
PDF
Publication page8dffde592406afa9b65ca9f18a402d97011d160b4a280469b14a426fbb86bf31
Manifest575e0184961279671e10415023ef5328cc5b540678d14cd99251f788f69ca09a

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
SignatureP4VcBX0TIHEFXBSwBO8hXQGBirGjMdo8LUr4jpk2W8/40j0/aJdc4inQHhVjxmo7M0rJOoMb2oeLGzYY+s9OBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:02.050592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043752
observed 8dffde592406afa9b65ca9f18a402d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.031894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043752/manifest.json
observed 575e0184961279671e10415023ef5328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.012512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043752/publication.md
observed 124a4bea7a113eea6353c6f2a78a9539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:01.991832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043752/publication.txt
observed ae7a39995c736063e8f288b76e3de30e...
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.