Pith Number

pith:23BAV3LQ

pith:2016:23BAV3LQ6OI3ACGMG4INIUZEXD

not attested not anchored not stored refs pending

Semiclassical expansion of the ground state for a model of interacting spins in QED

Jean Nourrigat, Laurent Amour

arxiv:1603.08439 v1 · 2016-03-28 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{23BAV3LQ6OI3ACGMG4INIUZEXD}

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	2026-05-18T01:18:10.736973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6c20aed70f391b008cc3710d45324b8cb443e4a6f6cfd54aebfde9222afaf07

Aliases

arxiv: 1603.08439 · arxiv_version: 1603.08439v1 · doi: 10.48550/arxiv.1603.08439 · pith_short_12: 23BAV3LQ6OI3 · pith_short_16: 23BAV3LQ6OI3ACGM · pith_short_8: 23BAV3LQ

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/23BAV3LQ6OI3ACGMG4INIUZEXD \
  | 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: d6c20aed70f391b008cc3710d45324b8cb443e4a6f6cfd54aebfde9222afaf07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1ed40f36a245ef9e2c8e37b4b117f15a2cc85af34bc3255d7a06a8667b2d5ab",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-03-28T17:04:58Z",
    "title_canon_sha256": "ca884e99ee05264014b410efe8f483ae4e2ed553e8bcb752adb6367ceaf68839"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.08439",
    "kind": "arxiv",
    "version": 1
  }
}