OpenTechnical

OT-2026-000050038

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000050038) never changes.

Identity and time

Publication numberOT-2026-000050038 · never reused
Internal UUID01a0ae81-fd78-7824-a7c0-33d92387c5fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050038
StatusPUBLIC

Content hashes

Canonical text194f0b927452be0265937893f89f0222a5d50d58fa1fe3bd67337df24b2db86c
Markdownc4d75de0f7b4b994e95d0450d4be4026a5011f38aa45b13d97f5062e1ff7d65f
PDF
Publication page5d4d08463a50aac49aab350673c9450431077b3375fd3f1ad72e63e6489e373e
Manifest87a85377d177894ffdb10e4340e15ee6c4054741a4ce27b98b20e2300bd6c489

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
Signature8RuFgU9KrX7waofbT9/tD3BDdIRf/lr0w4UY8BniyTjvuRvBJXIJYBXt4sGEvpzo0H4qgSLfLXCfim1Vfd+wBw==
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

2026-09-17T11:02:00.845734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050038
observed 5d4d08463a50aac49aab350673c94504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.828708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050038/manifest.json
observed 87a85377d177894ffdb10e4340e15ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.810766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050038/publication.md
observed c4d75de0f7b4b994e95d0450d4be4026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.792649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050038/publication.txt
observed 194f0b927452be0265937893f89f0222...
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.