OpenTechnical

OT-2026-000047910

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000047910) never changes.

Identity and time

Publication numberOT-2026-000047910 · never reused
Internal UUID01a0ae7f-c421-7ed6-a012-d9554cd4d79d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047910
StatusPUBLIC

Content hashes

Canonical texte598295049b03855134b57be92c45f90d4c04b41fb2b98e218a86686f3a4f67d
Markdown4dd2e1bba88e8e6c84e7e0f4c73550d7c30dc00f436c920c584b343334a8b1c9
PDF
Publication pagebda3e24388e092cdaadc9e1ee7fd086dcb510794461db793957292eb7ef66f4a
Manifest61e739bc1a7e2293fe165f2564dc496184c782129399aa500e5c00d7ba0b774b

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
SignatureH2T44eWnrMqs+JC8EExWAPUljPF6587okJlxDeK+VGyW68lJkE04RkxD4p6ohirpKFYp//n344vsmua25Vt1Aw==
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

2026-09-17T11:05:51.212663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047910
observed bda3e24388e092cdaadc9e1ee7fd086d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.192972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047910/manifest.json
observed 61e739bc1a7e2293fe165f2564dc4961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.173770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047910/publication.md
observed 4dd2e1bba88e8e6c84e7e0f4c73550d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.155518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047910/publication.txt
observed e598295049b03855134b57be92c45f90...
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.