OpenTechnical

OT-2026-000013129

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000013129) never changes.

Identity and time

Publication numberOT-2026-000013129 · never reused
Internal UUID01a0ae6d-6fc8-76f8-95df-595f09e2a8b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013129
StatusPUBLIC

Content hashes

Canonical text54c561a6ebe4a67b39811c297ab7920d2ea3cd383d8591fe479c86cb25872540
Markdown7fae8cbb4371952ada06175ce953982580c1d0ee0ea39e52031974f51e73554b
PDF
Publication pagebbce192d1df25862553a805a131f15d26f855e4d52ac8d3f7318e790ffac33ed
Manifesta75718d85912dbd0cfd9069296721c8724c13990bbe949b6190b075566e56020

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
Signature/oMsRS3DBtqMKWguHBU3XXaV4vCV+WKPOz/p23rCLRqQS2yqtlmuu1jMWtps+me+TSsDDaDrdgDQbK2lM8YdDA==
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

2026-09-17T12:09:25.204030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013129
observed bbce192d1df25862553a805a131f15d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:25.184415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013129/manifest.json
observed a75718d85912dbd0cfd9069296721c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:25.165521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013129/publication.md
observed 7fae8cbb4371952ada06175ce9539825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:25.147881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013129/publication.txt
observed 54c561a6ebe4a67b39811c297ab7920d...
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.