OpenTechnical

OT-2026-000050242

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000050242) never changes.

Identity and time

Publication numberOT-2026-000050242 · never reused
Internal UUID01a0ae82-5c46-74b7-8b23-997622caaf1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050242
StatusPUBLIC

Content hashes

Canonical textdf935df57369ee6dda7996d6c36543bee49e74cfa195ca2f3d284a079915e670
Markdownddb4ca7de5b590562e9b4017185fe9ae178ee67403d50e0c81bd41c95759a69f
PDF
Publication page4c9a0ed9562d7d3b0d6fd4b9df13a20138a61e16f0375f6c6ee75eee69c2caeb
Manifest00b07b789face00eb0d0636a3dd57529fd483db6b0f65129bce61fb7c593f86c

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
Signature/azbBdYow5lakQdL7wnxLBWzdYuhwSohfIfvXPz6lGPVmQ4+7UGxV1pNpzMyS9ZZuoewctd1Bf4DXUUc5YXmAQ==
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

2026-09-17T11:01:14.322119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050242
observed 4c9a0ed9562d7d3b0d6fd4b9df13a201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.303211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050242/manifest.json
observed 00b07b789face00eb0d0636a3dd57529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.285042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050242/publication.md
observed ddb4ca7de5b590562e9b4017185fe9ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.268520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050242/publication.txt
observed df935df57369ee6dda7996d6c36543be...
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.