OpenTechnical

OT-2026-000015164

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000015164) never changes.

Identity and time

Publication numberOT-2026-000015164 · never reused
Internal UUID01a0ae6d-ef47-79fe-a661-ef0a8be4ce40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015164
StatusPUBLIC

Content hashes

Canonical text1a21f70a475cc3d6f97ca487683c3a0b705e20f59ee696ac47c626448efd4570
Markdowne88fcaedbd31f696f0ff7ca982fe7c0975e3ba5c1abb849f2541d2a14c582398
PDF
Publication pagee06e4da78a6050ce4cf61c550898c3a275eadca472abfdcc0079b378a4db6843
Manifestcd800fdf727a2b576172cb9ef7562d5c47e25be6651edc5fd6c852736e6501e8

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
SignatureqhbvPD2wejViXK4yo+uqwTbI1r3YJKR99ywXsGZNhGC27TcPzzMfDoR8t5izQ7IfYopAVAODpe0gqU3S5CekBA==
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

2026-09-17T12:05:46.767217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015164
observed e06e4da78a6050ce4cf61c550898c3a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:46.747985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015164/manifest.json
observed cd800fdf727a2b576172cb9ef7562d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:46.729003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015164/publication.md
observed e88fcaedbd31f696f0ff7ca982fe7c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:46.708743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015164/publication.txt
observed 1a21f70a475cc3d6f97ca487683c3a0b...
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.