OpenTechnical

OT-2026-000019829

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000019829) never changes.

Identity and time

Publication numberOT-2026-000019829 · never reused
Internal UUID01a0ae6f-1fb5-7760-b84d-cde42c3a6465 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019829
StatusPUBLIC

Content hashes

Canonical text7af185a40065787d89f5b9e16dc696cdccc4d91dc147d5067f914fb833d8c421
Markdown236309908e7555500d3278c177cc8ee51ad025822b8b7bd320a23470b0fccdf2
PDF
Publication page83061b7996b8057e66a55a8e465fd07b3c966765dae8ff966293041e9605dc57
Manifestfc3a8fc033d85f2891b49d2711134ea41f67546d6ce0906aceef4a78991c6556

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
Signature4A9gmJp6p9etrKHqFErQuJsUlRiS7FNT3qeVoolLr/DPbEj/uI46owWzZsSp+dPwVPk2NJOLTaLM+g+9eLOzAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:01.317532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019829
observed 83061b7996b8057e66a55a8e465fd07b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.298731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019829/manifest.json
observed fc3a8fc033d85f2891b49d2711134ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.279056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019829/publication.md
observed 236309908e7555500d3278c177cc8ee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.260405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019829/publication.txt
observed 7af185a40065787d89f5b9e16dc696cd...
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.