OpenTechnical

OT-2026-000020070

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line 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-2026-000020070) never changes.

Identity and time

Publication numberOT-2026-000020070 · never reused
Internal UUID01a0ae6f-1fb8-7fe5-b56b-c079a2a3d763 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020070
StatusPUBLIC

Content hashes

Canonical text8972225ebc0832cc43827e9e24d3d4ac12f5d9308e8d1abd37ecacfe36949850
Markdown7b8d61942eb466205fc48c7d51045623fc4d67068cd3fa49348c2f472ab59d16
PDF
Publication page6e1ac2993c7967eb3b76c65304e06165f1850990d4972e6cdeab2eef7e77eac8
Manifestd48c64d2edf8a0a43a1e02d07aa443786aa02a9a1fd0255ae759c8ca9f2ec2eb

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
SignatureFqAmfLhL6rgTmJHtdT12VLL4yZ8XMRm0vgc7P0EqaDAUAw7Q1gg79HvGxqpvekfu1LLN/qpoHHiCTz3gfp0UBw==
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

2026-09-17T11:58:17.895526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020070
observed 6e1ac2993c7967eb3b76c65304e06165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.877209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020070/manifest.json
observed d48c64d2edf8a0a43a1e02d07aa44378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.858971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020070/publication.md
observed 7b8d61942eb466205fc48c7d51045623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.835773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020070/publication.txt
observed 8972225ebc0832cc43827e9e24d3d4ac...
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.