OpenTechnical

OT-2026-000023583

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000023583) never changes.

Identity and time

Publication numberOT-2026-000023583 · never reused
Internal UUID01a0ae70-7269-7756-b25e-5297a99a0601 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023583
StatusPUBLIC

Content hashes

Canonical textd4c47f7830706ad5c2f0474047cb5a2cf88d11f9907322edb34d1baceccbccc7
Markdown0e1905520a1c071121817123b04ebe4c1e5d846862a15fff49a89cf0944578cb
PDF
Publication page090953bf168d244f74afef2f322b399944948ff215bbb482d23fb495c4554446
Manifestbbf0bc13418e92cacc33b33c2578e7012ded3c5cbfdf2a6acf7a12d32441c21b

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
SignatureepoAciv9Txa/Nr2f4ncoir3iNn8clKzcNvL+zVl12xGb4xY4zUR9aUSud4nr0FYlzfB0l9PwZoGggDrap3u5Cw==
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

2026-09-17T11:51:56.408040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023583
observed 090953bf168d244f74afef2f322b3999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.389751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023583/manifest.json
observed bbf0bc13418e92cacc33b33c2578e701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.373184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023583/publication.md
observed 0e1905520a1c071121817123b04ebe4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.356947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023583/publication.txt
observed d4c47f7830706ad5c2f0474047cb5a2c...
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.