OpenTechnical

OT-2026-000061531

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000061531) never changes.

Identity and time

Publication numberOT-2026-000061531 · never reused
Internal UUID01a0ae8b-7b44-71bb-8f53-7ad2eca1197d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061531
StatusPUBLIC

Content hashes

Canonical text645fd67c446806fbad4891acc3714028c7060441d8bdfdb6af4ef8ad5fe20091
Markdown81b9945267e78b68470ce94e6acbff344afab428ab5f0f800567fe64acbf83a2
PDF
Publication page51dc09bfb69fcc33fa266bcf699827985c91bf5da5f46302fca4805040409737
Manifest067dbb7e20ed9baf77c2f496098550459813c90605c9439adf6de1ba79831007

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
Signature9Li32v4CiJkrqwln04UTYfjM6SK4yv0neoACMRhNy5B4Fj4G3TWAFL/XinYklldAOebaPy+nbu8CoboHpA9+Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:26.222389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061531
observed 51dc09bfb69fcc33fa266bcf69982798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.207577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061531/manifest.json
observed 067dbb7e20ed9baf77c2f49609855045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.190707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061531/publication.md
observed 81b9945267e78b68470ce94e6acbff34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.175037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061531/publication.txt
observed 645fd67c446806fbad4891acc3714028...
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.