OpenTechnical

OT-2026-000020990

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000020990) never changes.

Identity and time

Publication numberOT-2026-000020990 · never reused
Internal UUID01a0ae6f-65e4-7127-b277-4ad341388d56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020990
StatusPUBLIC

Content hashes

Canonical texta9ee5105e09e5fb8b33e22378ce971b1d279102955f2853869a5da8adac08528
Markdown3364467e42b45609add9e5958dfa171ae540d8d433e2cc6400e9d0133eafe274
PDF
Publication page0c62194bb282b462a442c1606c772f21186ceacd879b0f2a8763886d3901d052
Manifeste6c817702b08b6ea18ca3cc12b5a818d31b4ec35610be9bb9fc77a8d69cc4c21

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
Signaturerk5E6g9wqXN84icxgDLlT/pWvsg74ug7lF5Lh1FpSNGHIafZKMHgEQunNSLWh3FMU969C0sfd6HGJ2MZqkVPBA==
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

2026-09-17T11:56:08.576439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020990
observed 0c62194bb282b462a442c1606c772f21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:08.558744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020990/manifest.json
observed e6c817702b08b6ea18ca3cc12b5a818d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:08.541010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020990/publication.md
observed 3364467e42b45609add9e5958dfa171a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:08.522875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020990/publication.txt
observed a9ee5105e09e5fb8b33e22378ce971b1...
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.