OpenTechnical

OT-2026-000005347

Publication integrity record

Vacuum cup gripper, four zone face, four outlet manifold, ejector fed, pressure verified, contact triggered

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-2026-000005347) never changes.

Identity and time

Publication numberOT-2026-000005347 · never reused
Internal UUID01a0a936-301c-706b-86b4-42739407342a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:55.903677Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005347
StatusPUBLIC

Content hashes

Canonical texta05933c433ea37c54a82686090776ed4080e6581a7dfc6538e03d7be6bcb1f74
Markdownda60f63d676db4f6e6041e70ce19399ec449f2319582a06919cde0b87b862793
PDF
Publication page3c1dac0a65a5f0309eca25a9a76d4b071d1647d4c2a2dc8064d0f8e1a8840abc
Manifest509a19e9d4f01c74ca36f6b6c37270ec4fdb98fc0a22c082dad78450c8253231

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
SignatureVHcLLeegroXiphUAxcZptpHvMwQHkGDu9a9G2ZdnKIFjdnON/UsDTkycQgbev4DEs/LoHuoo/n3IAm6hj7M/Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:19.943651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005347
observed 3c1dac0a65a5f0309eca25a9a76d4b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:19.930575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005347/manifest.json
observed 509a19e9d4f01c74ca36f6b6c37270ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:19.917589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005347/publication.md
observed da60f63d676db4f6e6041e70ce19399e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:19.901917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005347/publication.txt
observed a05933c433ea37c54a82686090776ed4...
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.