OpenTechnical

OT-2026-000012030

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two 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-2026-000012030) never changes.

Identity and time

Publication numberOT-2026-000012030 · never reused
Internal UUID01a0ae6d-1943-782a-a1bf-d4d9bf6c9c29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012030
StatusPUBLIC

Content hashes

Canonical text46eded42e594df6a94a4ad25df7ecf449955ccdcd0345a09bd0d183149f5e2f0
Markdown3494e018b525142f60fa43894b69f19f3f11f02a1377e7e446eb35975d728324
PDF
Publication page95099a1503c8d482c4d8d16428bbf45d293fa23cec8c3e3d6f1c20438e511907
Manifest693c96fa41bfede5dd4191f8b04f9029a8c3e6feb42d951e1835aedb752fca2e

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
SignatureD336CNGoicZhc4zpwKMrBcTE6SJFdVWtEGxemS/gIELrNYFKltzWIAzgdC2ZqloBrgpaRslxeVv/G/YOaT+QCg==
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

2026-09-17T08:44:34.738945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012030
observed 95099a1503c8d482c4d8d16428bbf45d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:34.488058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012030/manifest.json
observed 693c96fa41bfede5dd4191f8b04f9029...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:34.271246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012030/publication.md
observed 3494e018b525142f60fa43894b69f19f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:33.982039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012030/publication.txt
observed 46eded42e594df6a94a4ad25df7ecf44...
fetched by grabo-systems from 34.44.131.203, 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.