Pith Number

pith:QFMGQIG6

pith:2014:QFMGQIG6VDLIDUA7BVJZBA2USU

not attested not anchored not stored refs pending

The singularity probability of random diagonally-dominant Hermitian matrices

Adrien Kassel

arxiv:1403.1567 v1 · 2014-03-06 · math.PR · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFMGQIG6VDLIDUA7BVJZBA2USU}

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	2026-05-18T02:56:58.751089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81586820dea8d681d01f0d5390835495123ce6bde12bb4e2faa431ae3684d8b1

Aliases

arxiv: 1403.1567 · arxiv_version: 1403.1567v1 · doi: 10.48550/arxiv.1403.1567 · pith_short_12: QFMGQIG6VDLI · pith_short_16: QFMGQIG6VDLIDUA7 · pith_short_8: QFMGQIG6

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/QFMGQIG6VDLIDUA7BVJZBA2USU \
  | 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: 81586820dea8d681d01f0d5390835495123ce6bde12bb4e2faa431ae3684d8b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae7935f69b565dc11d77b12f2d623f6bfc90d2f07d032a955ee9d611b62b6d86",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2014-03-06T20:42:10Z",
    "title_canon_sha256": "42edc95db91ff4e2ef039d0cc075c85e2ccf421e1a63c5b7649e5e0f6ec0cd61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1567",
    "kind": "arxiv",
    "version": 1
  }
}