OpenTechnical

OT-2026-000020906

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000020906) never changes.

Identity and time

Publication numberOT-2026-000020906 · never reused
Internal UUID01a0ae6f-65e3-7c9c-80ab-2d0377ed25c3 · 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-2026-000020906
StatusPUBLIC

Content hashes

Canonical text5e2c0f96e8eaf81bd6772856a5b9d83ddb230aaa2fa95d15d7599f9d7fdb3be8
Markdownba16d2791a8ecb351cf1807217cdcc7b4b6418f11d04bf0d007094bf318ea08f
PDF
Publication pagee5b4b77fafc1cb29ad323cc8531252a80f9950ff3f24fc94db0b91b7df58df2b
Manifest363321a7ae284e0da941e82288f3cd799971b66ee89b977b3a318615007774ac

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
Signaturej5X0VYAB/ypUlQo5WMBS2V8DGeDa/p2s+K0GLo7jplxNoLtMnulos5ZtGe5rviaWLIi8O+9Xsc3urpKDVY4JBw==
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

2026-09-17T11:56:01.456332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020906
observed e5b4b77fafc1cb29ad323cc8531252a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.436142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020906/manifest.json
observed 363321a7ae284e0da941e82288f3cd79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.416531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020906/publication.md
observed ba16d2791a8ecb351cf1807217cdcc7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:01.397811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020906/publication.txt
observed 5e2c0f96e8eaf81bd6772856a5b9d83d...
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.