OpenTechnical

OT-2026-000038005

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000038005) never changes.

Identity and time

Publication numberOT-2026-000038005 · never reused
Internal UUID01a0ae77-f88a-7e34-81fc-c5b363996830 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038005
StatusPUBLIC

Content hashes

Canonical textb4d0e3168c527a736bf3c1364e43e2072060031e9a8eed6b8a54085a975ffc7c
Markdown815b534f4fb66f31624f24d4ad9e5628f51c986235d2c2ede9e013154c8106e0
PDF
Publication pagef2d80c17d46103653b1316b5bb0668fd8efcfa069aeba154cdaeca75515590f9
Manifest15debd179ed765b6e4f9d544577830416a106d255f9a113ae47b705674056e9c

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
SignatureA4zKZZS2gOWSz9Cm74+74RtedQulk7eIrGCi2cperg4B25HdxYGuzgOLmWiWIBbaNGwScUC72QJgxZw7+Yh/Aw==
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

2026-09-17T11:23:18.398746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038005
observed f2d80c17d46103653b1316b5bb0668fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:18.380990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038005/manifest.json
observed 15debd179ed765b6e4f9d54457783041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:18.362831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038005/publication.md
observed 815b534f4fb66f31624f24d4ad9e5628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:18.344062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038005/publication.txt
observed b4d0e3168c527a736bf3c1364e43e207...
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.