Pith Number

pith:VA3MBRFA

pith:2019:VA3MBRFAFZHLMU6LXMRIEH3JNI

not attested not anchored not stored refs pending

Positive solutions for large random linear systems

Jamal Najim (LIGM), Pierre Bizeul (ENS Paris Saclay)

arxiv:1904.04559 v1 · 2019-04-09 · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VA3MBRFAFZHLMU6LXMRIEH3JNI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:48:58.754381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a836c0c4a02e4eb653cbbb22821f696a0a475743b65449fea3d32f9a18285c15

Aliases

arxiv: 1904.04559 · arxiv_version: 1904.04559v1 · doi: 10.48550/arxiv.1904.04559 · pith_short_12: VA3MBRFAFZHL · pith_short_16: VA3MBRFAFZHLMU6L · pith_short_8: VA3MBRFA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/VA3MBRFAFZHLMU6LXMRIEH3JNI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a836c0c4a02e4eb653cbbb22821f696a0a475743b65449fea3d32f9a18285c15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd36b1d4d59ed54671ddb70909e3a7f575aa537571431c2bf5c320adb164e84a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2019-04-09T09:24:48Z",
    "title_canon_sha256": "7b930bfedf93893bbf68453bb0af745dbe8f942e336b386ed54a83184ccf5609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04559",
    "kind": "arxiv",
    "version": 1
  }
}