OpenTechnical

OT-2026-000050274

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000050274) never changes.

Identity and time

Publication numberOT-2026-000050274 · never reused
Internal UUID01a0ae82-5c46-70ff-95f1-cd4de0f9541b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050274
StatusPUBLIC

Content hashes

Canonical text3cec5dda14ea3838d476c3201ce60a55233d95addea0d1fe46339ab337db42f2
Markdowne768a66750e9707d0c512f42b794513fc3f7c267649aaf918aac70edc7993b3d
PDF
Publication pagef19cf17419a1fab6bab90b43c3a4645ed4fe59f4dc13fd19403c23ffacc7dbd6
Manifest07801c203a45711d26a46cf44a7e11c36689585e85876c5a12b0b4f657cf0c30

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
SignatureFg99hpcj/wJ6qNqRp9PX07SdtgeSzlKoB/sa849ac56NijwRhAqHx55N4QVRS6UHamEhsI0aqa0gmhW6ZadPCA==
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

2026-09-17T11:01:16.606519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050274
observed f19cf17419a1fab6bab90b43c3a4645e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.588481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050274/manifest.json
observed 07801c203a45711d26a46cf44a7e11c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.571220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050274/publication.md
observed e768a66750e9707d0c512f42b794513f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.554231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050274/publication.txt
observed 3cec5dda14ea3838d476c3201ce60a55...
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.