OpenTechnical

OT-2026-000006862

Publication integrity record

Vacuum cup gripper, two stage ejector, pressure verified, vented after set down, polyurethane cups

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-2026-000006862) never changes.

Identity and time

Publication numberOT-2026-000006862 · never reused
Internal UUID01a0a96a-02ce-7ce8-95c8-0794e57f24e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:32.176689Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006862
StatusPUBLIC

Content hashes

Canonical text8458ee1468e1ced2a40cad9c3dccfcb53595e6ea859e6fdf05110a33059fa2a2
Markdown5fde30873b41b73d6185c909d3e350286332f9a22f5b99bf6504752003715a27
PDF
Publication pagef7402c5cc588cceaa047b38183489b65cfbf8590af2fbba16ba94c2d938cc0e3
Manifest65aaa913b57d3521957d231eccec9fd26107ea8c0f8e3efc8daa45ad52693767

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
SignatureqK+FJTLjdK06NfLSLJAEBRGoq9GlLrM8B1DYTHwtgzAuX/GlQ0q7uiewjUkUjeynY7k4eC3m+jPHgdCLIDAtBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:27.983286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006862
observed f7402c5cc588cceaa047b38183489b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.970290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006862/manifest.json
observed 65aaa913b57d3521957d231eccec9fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.956604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006862/publication.md
observed 5fde30873b41b73d6185c909d3e35028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.942921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006862/publication.txt
observed 8458ee1468e1ced2a40cad9c3dccfcb5...
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.