OpenTechnical

OT-2026-000005325

Publication integrity record

Vacuum cup gripper, four zone face, per zone isolation, ejector fed, vented after set down

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-2026-000005325) never changes.

Identity and time

Publication numberOT-2026-000005325 · never reused
Internal UUID01a0a935-7e99-73cc-984f-59efe12638b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:10.461460Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005325
StatusPUBLIC

Content hashes

Canonical text92bbb345285b90696b39c5345b18d43992fa222800c5c653d863872364abb050
Markdowna71d3121beae315d651b507017ca7d73e8085c6547648f7a913c623afcf0112d
PDF
Publication page20ffc319d6a696acb2a22e9c4350386a92866c877bfd4b56a526b2c0860d1bb0
Manifest55d9cc6441f45dd020a4d045b7eea804f6e19f7ba0d5b59e83b31fdf93dad277

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
SignaturegI/ywt6QJb8ifHejLMXtjktr2A1cWSdLg8WOLCKklyo3CqalTrxL3dm7UOOqPn3+sfgaPEpD/wJJMLU5cyv8Dw==
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

2026-09-16T08:00:22.445801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005325
observed 20ffc319d6a696acb2a22e9c4350386a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:22.432506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005325/manifest.json
observed 55d9cc6441f45dd020a4d045b7eea804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:22.418639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005325/publication.md
observed a71d3121beae315d651b507017ca7d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:22.403992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005325/publication.txt
observed 92bbb345285b90696b39c5345b18d439...
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.