OpenTechnical

OT-2026-000066548

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000066548) never changes.

Identity and time

Publication numberOT-2026-000066548 · never reused
Internal UUID01a0ae8e-ce41-7401-ba9f-7d70596d272e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066548
StatusPUBLIC

Content hashes

Canonical text3f89a3007bfd63f532719e93af9fd15c2c1981f9dde3ffd88f1e118cd29186ee
Markdown776862570c3654e48cf4f135bae8a811f0edb901ab27b9825ada6f2a4b39e448
PDF
Publication page2f47e69d9d26431d73201596cbe6fb8cdde2f05e19ff637901976deda784a96f
Manifest5caee483fff3d977cba6ac24a666bb1e984407fc9abe35ea45c3a79687b4de42

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
SignatureyqQt3EDxPkDrlg9VCotgQ4fAi3ypPc8I5qjtEJIoxuw0NnkBcWhRrf49keRA9GB9VW/bBphZsH6GWTbLkB5DDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:48.963956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066548
observed 2f47e69d9d26431d73201596cbe6fb8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.945883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066548/manifest.json
observed 5caee483fff3d977cba6ac24a666bb1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.927868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066548/publication.md
observed 776862570c3654e48cf4f135bae8a811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.910136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066548/publication.txt
observed 3f89a3007bfd63f532719e93af9fd15c...
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.