OpenTechnical

OT-2026-000046428

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000046428) never changes.

Identity and time

Publication numberOT-2026-000046428 · never reused
Internal UUID01a0ae7e-57dc-775d-9d8a-da35f8fb6558 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046428
StatusPUBLIC

Content hashes

Canonical text1c35b38ba24d201da582df901e9b4c8eb6dd5c44a8d0d65a6c18b9b8878c823c
Markdown36ab23e2d6f023dc082c3fe05249439a0c230f93774f5288b532dc943f2d97f8
PDF
Publication page618f6b6ebea915b5cfd025628bb925aa2c891e4bfb052831f5c4449a85a8f9d4
Manifest6b1c1f839388cec63955afd9da8a41711884a82f76860dd96782c51e4c4d79c2

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
SignatureHLx8qhhpw33EPTSftsvfAhHJjIVFcpxOzYtHg6bU5V3+Gnv8Oo5hFxt4vRIncg6gjJ3p1pohB0GMJxk0ueDGAg==
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

2026-09-17T11:08:26.624153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046428
observed 618f6b6ebea915b5cfd025628bb925aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:26.607117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046428/manifest.json
observed 6b1c1f839388cec63955afd9da8a4171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:26.589015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046428/publication.md
observed 36ab23e2d6f023dc082c3fe05249439a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:26.570072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046428/publication.txt
observed 1c35b38ba24d201da582df901e9b4c8e...
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.