Pith Number

pith:MELHKWHT

pith:2022:MELHKWHTZ3P7NSQ5SUSI2HAPY5

not attested not anchored not stored refs pending

Variance Reduction for Inverse Trace Estimation via Random Spanning Forests

Nicolas Tremblay (GIPSA-GAIA), Pierre-Olivier Amblard (GIPSA-GAIA), Simon Barthelme (GIPSA-GAIA), Yusuf Yigit Pilavci (GIPSA-GAIA)

arxiv:2206.07421 v2 · 2022-06-15 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MELHKWHTZ3P7NSQ5SUSI2HAPY5}

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.

Cited by

2 papers in Pith

Fast Estimation for Forest Matrix of Signed Graphs

Efficient Computation for Diagonal of Forest Matrix via Variance-Reduced Forest Sampling

Receipt and verification

First computed	2026-07-05T04:56:45.506827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61167558f3cedff6ca1d95248d1c0fc7430ca602807ce1a71809d68e3b2abb0d

Aliases

arxiv: 2206.07421 · arxiv_version: 2206.07421v2 · doi: 10.48550/arxiv.2206.07421 · pith_short_12: MELHKWHTZ3P7 · pith_short_16: MELHKWHTZ3P7NSQ5 · pith_short_8: MELHKWHT

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/MELHKWHTZ3P7NSQ5SUSI2HAPY5 \
  | 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: 61167558f3cedff6ca1d95248d1c0fc7430ca602807ce1a71809d68e3b2abb0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aa29a1f4b0d8a7f64beebe9f0de19fc588dc106a3b55bca28d53789a53350dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-06-15T09:52:16Z",
    "title_canon_sha256": "9852347a732d161c3c800e34e3c4e277b3026d6f4ef4c569520b6626deb9b270"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.07421",
    "kind": "arxiv",
    "version": 2
  }
}