OpenTechnical

OT-2026-000005182

Publication integrity record

Vacuum cup gripper, three zone face, per zone isolation, ejector fed, polyurethane cups, oval form

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-2026-000005182) never changes.

Identity and time

Publication numberOT-2026-000005182 · never reused
Internal UUID01a0a930-834b-7793-964a-280497cc3051 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:48:43.982218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005182
StatusPUBLIC

Content hashes

Canonical text24269ec80b1f160160491c0be5b9c9229461263ff763a88b09301abad5c5cd10
Markdown75347dec0c6be25a8ababf0335dd2ca2bfc3e4e743b8481176e0be2684d405e0
PDF
Publication pagee51588262468a9d25db0edc12e71fb7ca311fa870e8ad4d0a85b960e26d0bb8b
Manifest3207b1e525dce07c33e48ac056cf8432ac633f299b09d9d7ee61560a4e975231

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
SignatureVqvTzklmiHriQp7PEPDH7Pl6i65/QO+/+aiaJhA45UtKdKSKWD3TM/94mFY2/8HTeLsCa11AYGyzjb2WBrPxAw==
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

2026-09-16T07:50:06.419325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005182
observed e51588262468a9d25db0edc12e71fb7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:06.406220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005182/manifest.json
observed 3207b1e525dce07c33e48ac056cf8432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:06.392923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005182/publication.md
observed 75347dec0c6be25a8ababf0335dd2ca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:06.378967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005182/publication.txt
observed 24269ec80b1f160160491c0be5b9c922...
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.