OpenTechnical

OT-2026-000038390

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000038390) never changes.

Identity and time

Publication numberOT-2026-000038390 · never reused
Internal UUID01a0ae78-2d52-7b5e-9229-ff7acce38445 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038390
StatusPUBLIC

Content hashes

Canonical textd0c06d8a2067075b272d3efc926e4ac627b85e50af2d7687b2fbe8e3a7ef4efe
Markdown38ce3b46b1473d1437ecada74496280f5852d4cc42891dc90114f3d5596bee48
PDF
Publication pagef14718205d31adab27aaaf6e8fc9c58b3aad24e7375efc2784f3bd397f3d16b3
Manifest79b8ac8a6133efea89c33458c4c45b44d3636d312eaa217e5652d22a3ea4cdd6

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
SignatureL8xeL5aOEFcf6ldp8k5v6X2xNVZ1KFFpL9teLMP6u0HjUTLqtOEssQIOeYu43DB2tS8GreGHuuvJsJtIFEydCQ==
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

2026-09-17T11:22:35.702170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038390
observed f14718205d31adab27aaaf6e8fc9c58b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.684258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038390/manifest.json
observed 79b8ac8a6133efea89c33458c4c45b44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.665997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038390/publication.md
observed 38ce3b46b1473d1437ecada74496280f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.646933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038390/publication.txt
observed d0c06d8a2067075b272d3efc926e4ac6...
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.