Pith Number

pith:QJW2HVY5

pith:2012:QJW2HVY5BMSV63S5XGJSRMTWEC

not attested not anchored not stored refs pending

Static and dynamic variational principles for strongly correlated electron systems

Michael Potthoff

arxiv:1202.4907 v1 · 2012-02-22 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJW2HVY5BMSV63S5XGJSRMTWEC}

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	2026-05-18T04:01:40.312819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

826da3d71d0b255f6e5db99328b27620a7918ced4d3894a8824071e81d19f55d

Aliases

arxiv: 1202.4907 · arxiv_version: 1202.4907v1 · doi: 10.48550/arxiv.1202.4907 · pith_short_12: QJW2HVY5BMSV · pith_short_16: QJW2HVY5BMSV63S5 · pith_short_8: QJW2HVY5

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/QJW2HVY5BMSV63S5XGJSRMTWEC \
  | 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: 826da3d71d0b255f6e5db99328b27620a7918ced4d3894a8824071e81d19f55d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b94fda30be623be366b0646d6c23c82eac26108ea7ba3f52344337733dfe58f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2012-02-22T13:38:30Z",
    "title_canon_sha256": "3ec4d59d328df4fd7be8af954c9558d2af9e5296c92c6f02134a1bee4d423453"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4907",
    "kind": "arxiv",
    "version": 1
  }
}