OpenTechnical

OT-2026-000027217

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000027217) never changes.

Identity and time

Publication numberOT-2026-000027217 · never reused
Internal UUID01a0ae72-3454-7805-ad1b-f5a1b8529514 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027217
StatusPUBLIC

Content hashes

Canonical text600fa6818e9a6ca5243857ef9d1c81fd88f69880700e9362bc6d963ac6ba9277
Markdown311f21285db40d070101b62e1e6af016be480ee280bbb915ec0bb68c30c47d6a
PDF
Publication page810665dadef58df7e81343616febc51df2ff4d7c9a0449704714a5a497a4f2c3
Manifest84705e79f9f4bf595ee429a6cbc0bd65e82efa6fe379d2bcadd6a9b5d0c75926

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
Signature9k5QhEiMFmpECm1vmOw39CDkgG//hKE/C5q15ohQ1yLUjiV8Pxq8CUy0MG69E8NoghIHNO4t4LHB5BCQryTICw==
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

2026-09-17T11:44:06.576986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027217
observed 810665dadef58df7e81343616febc51d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.561290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027217/manifest.json
observed 84705e79f9f4bf595ee429a6cbc0bd65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.545749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027217/publication.md
observed 311f21285db40d070101b62e1e6af016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.529233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027217/publication.txt
observed 600fa6818e9a6ca5243857ef9d1c81fd...
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.