Pith Number

pith:N4HJYIMQ

pith:2007:N4HJYIMQOBWRTNTTLERTHAVJMI

not attested not anchored not stored refs pending

An iterative method to compute the sign function of a non-Hermitian matrix and its application to the overlap Dirac operator at nonzero chemical potential

A. Frommer, B. Lang, J. Bloch, T. Wettig

arxiv:0704.3486 v2 · 2007-04-26 · hep-lat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4HJYIMQOBWRTNTTLERTHAVJMI}

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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	2026-05-18T01:21:14.342568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f0e9c2190706d19b67359233382a96226d4699b060a2eb9d876511b1539b2ce

Aliases

arxiv: 0704.3486 · arxiv_version: 0704.3486v2 · doi: 10.48550/arxiv.0704.3486 · pith_short_12: N4HJYIMQOBWR · pith_short_16: N4HJYIMQOBWRTNTT · pith_short_8: N4HJYIMQ

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/N4HJYIMQOBWRTNTTLERTHAVJMI \
  | 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: 6f0e9c2190706d19b67359233382a96226d4699b060a2eb9d876511b1539b2ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6428892480c32a871ef77a649f2f4ec046a61d9c494a3bfb39a564f019497dc9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-lat",
    "submitted_at": "2007-04-26T19:56:21Z",
    "title_canon_sha256": "5f0335a22aa6c701b97d7e35192e809a614c8bb4a6fbbbb5283e25bb91f110a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.3486",
    "kind": "arxiv",
    "version": 2
  }
}