OpenTechnical

OT-2026-000050887

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000050887) never changes.

Identity and time

Publication numberOT-2026-000050887 · never reused
Internal UUID01a0ae82-c7b3-7bb7-8f82-ce32445b88ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050887
StatusPUBLIC

Content hashes

Canonical text5e101e5408ac201a94fa024291b1ad4290059c69d3e175bfb2fe45558f44d083
Markdown87c0f2bc7dd717f622513148ba804a263135a5da4cd464b30bbf3455dd5c3b43
PDF
Publication page1457b073c0de010af20c9f09262d7a5825c6f35fad4a58fd5b66ec3ef52f960a
Manifest6604e62b8661c2201323f04a5aeb6a1e0ab97c8c62a3588218fd4894196b5b38

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
SignatureqEcxL3QPMtbsmmH2TKaWONNQTkIzNlNBMecbxAYRPw81m/1ED2wNYYIawmTUH7dmc9m8MwmY7RJ4TEoy+PJzAw==
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

2026-09-17T11:00:37.418155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050887
observed 1457b073c0de010af20c9f09262d7a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.392725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050887/manifest.json
observed 6604e62b8661c2201323f04a5aeb6a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.368358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050887/publication.md
observed 87c0f2bc7dd717f622513148ba804a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.345548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050887/publication.txt
observed 5e101e5408ac201a94fa024291b1ad42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.296228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050887
observed 1457b073c0de010af20c9f09262d7a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.276741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050887/manifest.json
observed 6604e62b8661c2201323f04a5aeb6a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.257715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050887/publication.md
observed 87c0f2bc7dd717f622513148ba804a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.238466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050887/publication.txt
observed 5e101e5408ac201a94fa024291b1ad42...
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.