OpenTechnical

OT-2026-000005483

Publication integrity record

Porous face vacuum gripper, two stage ejector, 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-2026-000005483) never changes.

Identity and time

Publication numberOT-2026-000005483 · never reused
Internal UUID01a0a93a-6e0c-7eba-bbb8-791967555ecf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:59:33.903482Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005483
StatusPUBLIC

Content hashes

Canonical text1056405938a767260197b347671823aedc3c638b45cc9d8ab079f5044e947c11
Markdown13e8644ab3e459418d236a6189788eab63b7a286d4c6ec3f57e922ffcb4ee1f7
PDF
Publication page1c6f2ea9788701222e27e438f543013711658f335d355c956f7fcca179d633aa
Manifest8ad243c351316a38cbbbb06c568bd187759279a587f7dafd94a70a22f374992a

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
SignatureHuFZV3JlLz6dkdu2v+Ub5waWcW3Jh0LjvBYxqFwTSnvWEueYsMHSM355NZvjrJW/fvGPqk73gJpmhEirpw9iAQ==
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

2026-09-16T08:00:03.934317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005483
observed 1c6f2ea9788701222e27e438f5430137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:03.914701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005483/manifest.json
observed 8ad243c351316a38cbbbb06c568bd187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:03.899800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005483/publication.md
observed 13e8644ab3e459418d236a6189788eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:03.881897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005483/publication.txt
observed 1056405938a767260197b347671823ae...
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.