OpenTechnical

OT-2026-000041876

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000041876) never changes.

Identity and time

Publication numberOT-2026-000041876 · never reused
Internal UUID01a0ae79-e8a5-7843-beeb-bdf70c190410 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041876
StatusPUBLIC

Content hashes

Canonical text5ca4ee18d19714bdd9aba47c1d99767ce85dee4667317f84d1411d9817c5ffcb
Markdown507605737eb022c6591f95ef9fcd2f0e052d2a5acb567a646d8a1da313654175
PDF
Publication pageafcca265c538e8ba75efa82c5479e05d1ad7ea5779422945b4db9a85f8ebbb05
Manifestcc385401f0a812f8374480bf88968baec5f5b1a6e158128d06f25f6a98797e5a

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
SignaturewlH4PAOiuLLn0tWWIBoV6rcDcVl/c+MbYf+h46YThy6RjEUGPOzfTASn8GDSzxPxHtgQ3Rty5FYOSDXlzQYKBg==
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

2026-09-17T11:16:45.011643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041876
observed afcca265c538e8ba75efa82c5479e05d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.994401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041876/manifest.json
observed cc385401f0a812f8374480bf88968bae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.975870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041876/publication.md
observed 507605737eb022c6591f95ef9fcd2f0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.956941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041876/publication.txt
observed 5ca4ee18d19714bdd9aba47c1d99767c...
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.