OpenTechnical

OT-2026-000020998

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000020998) never changes.

Identity and time

Publication numberOT-2026-000020998 · never reused
Internal UUID01a0ae6f-65e4-76ab-a384-f760ef6ce064 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020998
StatusPUBLIC

Content hashes

Canonical textb0166753c4b82fe60301bec58458424025af35244a31f04092522fa8fcf1e7a7
Markdownb66d71d5a5804cc96434d13c1d7b6fee7a9daed7d05048b221ba1d2007e2bbf8
PDF
Publication pagee73d3647edfda04701b7a054eeeb15a53238369241f09eadc88ff6d69490a83f
Manifestc598ef1a0946950ee5dc443dd377f600f3b892486f3425d96a8502e1207698bc

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
Signature7G35nqdqgHK3iXwZhOUibCt9I1yv0lFTdHyi17MqZYZSDc1Z2Wh+5zkGIQIYlFE4LZgoYZBX5a8Kq2A8yDz4BA==
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

2026-09-17T11:56:09.176712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020998
observed e73d3647edfda04701b7a054eeeb15a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:09.158380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020998/manifest.json
observed c598ef1a0946950ee5dc443dd377f600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:09.139392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020998/publication.md
observed b66d71d5a5804cc96434d13c1d7b6fee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:09.121676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020998/publication.txt
observed b0166753c4b82fe60301bec584584240...
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.