OpenTechnical

OT-2026-000063147

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000063147) never changes.

Identity and time

Publication numberOT-2026-000063147 · never reused
Internal UUID01a0ae8c-94aa-7f6f-ac11-2bd8c3f2d4f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063147
StatusPUBLIC

Content hashes

Canonical text18e26b0ebd9676ee2c935764973056f8cc4b405a2d2ed8119fe92dde21bfac09
Markdownbc611d687456f95ca5bc570dca3f3bb2eced9883272c606428d3c7812b2df9d4
PDF
Publication pagee58ecfa157877eb783b117579fc8e03fff6f07e4fcce4599452e4a39228c3c66
Manifest7c63530a08467773f37e263c63640ebda6f9d92d5b940d50ce82df3b562a2d29

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
SignatureaTJO6/CO28jQgP1Rswzvi7PFBFNKwk0J22yidnH47wAF6ZxbCkp1Z2QNqRTJjwy540H5yIqgcgqo2l9NBPF8CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:38:55.984721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063147
observed e58ecfa157877eb783b117579fc8e03f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:55.967136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063147/manifest.json
observed 7c63530a08467773f37e263c63640ebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:55.951204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063147/publication.md
observed bc611d687456f95ca5bc570dca3f3bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:55.933682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063147/publication.txt
observed 18e26b0ebd9676ee2c935764973056f8...
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.