OpenTechnical

OT-2026-000023913

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, sustained 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-2026-000023913) never changes.

Identity and time

Publication numberOT-2026-000023913 · never reused
Internal UUID01a0ae70-aed6-7004-8454-d8e2412b46b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023913
StatusPUBLIC

Content hashes

Canonical textcb44bf653aa22c03034b14bf756c5385f0bffd1f262029a7685cabd07ef30784
Markdownd9a39309491512bcb7d34d0c107648ed76912f216dc0a17185c2beab6a178728
PDF
Publication pagec16a651c32f2215c5b5fc337b97f6a6f111bbb74a751860089950655fe0a42cd
Manifest5aa2e0904e2d5b23c4ddcceee06a934644c64b16ff1f7979d94f4c0e210b782d

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
SignatureevAui65WF8u5Gcyxi6J3KR0M9Gpz3ZNGovAH4mPu0Dorn19MVXSwSt4hEDXLIWfhYzllMZTGRNA7I+HRv4HLBA==
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

2026-09-17T11:50:31.989797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023913
observed c16a651c32f2215c5b5fc337b97f6a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:31.972585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023913/manifest.json
observed 5aa2e0904e2d5b23c4ddcceee06a9346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:31.953650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023913/publication.md
observed d9a39309491512bcb7d34d0c107648ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:31.935515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023913/publication.txt
observed cb44bf653aa22c03034b14bf756c5385...
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.