OpenTechnical

OT-2026-000061709

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000061709) never changes.

Identity and time

Publication numberOT-2026-000061709 · never reused
Internal UUID01a0ae8b-b8aa-7451-8161-13c7ab96d643 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061709
StatusPUBLIC

Content hashes

Canonical textd3f360c9b38da52212518f576925c100b7628f25450e39ddbd4c571b9f40e4ff
Markdown555c96a29e9cd609e73c4b235b407b80f73095343d0d019850283e37cf46e3e2
PDF
Publication pagef5b4051ea18308616bffa20008d686325807a8cec30550c187136542ef1ac0bc
Manifeste5c76f59dd07e70ad285db8caf532bd600ff9d00a533d78d757355cea47a8011

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
Signatureb69eBon18MTDy2vbo3r3DEXEZLYbf/GBgazvn/hyalpmenAl19BamyXsZnl5QHeIbYLps9L29GNfR86S6TI4Bw==
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

2026-09-17T10:40:16.778857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061709
observed f5b4051ea18308616bffa20008d68632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.759927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061709/manifest.json
observed e5c76f59dd07e70ad285db8caf532bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.739610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061709/publication.md
observed 555c96a29e9cd609e73c4b235b407b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.721360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061709/publication.txt
observed d3f360c9b38da52212518f576925c100...
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.