Pith Number

pith:VGA6SDFV

pith:2002:VGA6SDFVWRX2PK73YNXWDH5V6B

not attested not anchored not stored refs pending

Calculation of reduced density matrices from correlation functions

Ingo Peschel

arxiv:cond-mat/0212631 v1 · 2002-12-30 · cond-mat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VGA6SDFVWRX2PK73YNXWDH5V6B}

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

9 papers in Pith

Physical reduced states and continuum characters of the lattice Kramers-Wannier defect

Krylov Complexity in Periodically Driven CFTs and Critical Fermions

Complex Conformal Manifolds

Exactly solvable non-unitary conformal interfaces in unitary CFTs

Imaginary pseudo entropy encodes temporal orientation

Receipt and verification

First computed	2026-07-04T16:33:34.523555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a981e90cb5b46fa7abfbc36f619fb5f07a82fb68603a681387d7c9a89caa8594

Aliases

arxiv: cond-mat/0212631 · arxiv_version: cond-mat/0212631v1 · doi: 10.48550/arxiv.cond-mat/0212631 · pith_short_12: VGA6SDFVWRX2 · pith_short_16: VGA6SDFVWRX2PK73 · pith_short_8: VGA6SDFV

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/VGA6SDFVWRX2PK73YNXWDH5V6B \
  | 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: a981e90cb5b46fa7abfbc36f619fb5f07a82fb68603a681387d7c9a89caa8594

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "201087d2e4a4180930e5947b314d79a5da1fba8bad8e23b6314bfbca4bc2dfa9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "2002-12-30T11:28:23Z",
    "title_canon_sha256": "4524c302743322f11198da4f280b7562cb242dfe8da33f1df22bf4c022860558"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0212631",
    "kind": "arxiv",
    "version": 1
  }
}