OpenTechnical

OT-2026-000041020

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000041020) never changes.

Identity and time

Publication numberOT-2026-000041020 · never reused
Internal UUID01a0ae79-b10e-74d9-ae0a-09c32ea0c962 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041020
StatusPUBLIC

Content hashes

Canonical text41b7632fa43ef43540a2ae3314432aed1daea6f9b7a36ffb508ae619696a8ebb
Markdown894cfb91d844649d74c20e9c647da7f6d52641ab9cef04906cc04732603150d7
PDF
Publication pagebe1d9de5ddc4506123850dd04255061f45d40d9c027827d1c4e786c9b12c0c14
Manifestc2b900fc256bee49650023ccf24d4cf88c67787ae6caffede605c92899b9db65

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
Signature+xfFDWqc8GkmY5COMwuQO5z6QB+v5Lxnqp/gtpqisDLSLFXdzkDxcJDRRQHlwGYbakEdHL/xL6p9xSgTjvcNDA==
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

2026-09-17T11:16:55.627751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041020
observed be1d9de5ddc4506123850dd04255061f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.610662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041020/manifest.json
observed c2b900fc256bee49650023ccf24d4cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.594154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041020/publication.md
observed 894cfb91d844649d74c20e9c647da7f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.578201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041020/publication.txt
observed 41b7632fa43ef43540a2ae3314432aed...
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.