OpenTechnical

OT-2026-000006121

Publication integrity record

Vacuum cup gripper, ejector fed, pressure verified at each zone, 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-2026-000006121) never changes.

Identity and time

Publication numberOT-2026-000006121 · never reused
Internal UUID01a0a950-0f68-7f73-b893-ca20653db31b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:23:11.467033Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006121
StatusPUBLIC

Content hashes

Canonical text0e41a842ce14b93fc26bb75f333df3fe2809a448f1b063ffac5fdd812e6c4076
Markdowndcfade8cf40ba2e4bafde6cded65df2f4e5209b6913b01210f85374e4db0b0f3
PDF
Publication page7cf4c66f22893999b6a3b9e240b11cbdd828e88148eaad8d458bf0ecf0138288
Manifestcc7bde36d16ff2703ae2bff09c628c4f97170f9f967772730b51082655a8ee51

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
Signature0uQgZmh6Q2IX943KFfk07x2PTy7u2PQZ2njuSmb+Mn4gQ5LjoWptKnj7VJs1lFUN+m+XqQKJ/95UtdhNnbNuCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:25.156511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006121
observed 7cf4c66f22893999b6a3b9e240b11cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.143909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006121/manifest.json
observed cc7bde36d16ff2703ae2bff09c628c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.131237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006121/publication.md
observed dcfade8cf40ba2e4bafde6cded65df2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:24.996186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006121/publication.txt
observed 0e41a842ce14b93fc26bb75f333df3fe...
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.