Pith Number

pith:FTMHQNDD

pith:2018:FTMHQNDDGTAKVFXMXONMKU4UCW

not attested not anchored not stored refs pending

Strongly correlated systems and density matrix renormalization group in quantum chemistry

Jan Brandejs, Jiri Pittner, Libor Veis

arxiv:1807.06289 v2 · 2018-07-17 · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTMHQNDDGTAKVFXMXONMKU4UCW}

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	2026-05-17T23:54:31.696359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cd878346334c0aa96ecbb9ac5539415b02c8c4c9b394e613cead995a8f9bc64

Aliases

arxiv: 1807.06289 · arxiv_version: 1807.06289v2 · doi: 10.48550/arxiv.1807.06289 · pith_short_12: FTMHQNDDGTAK · pith_short_16: FTMHQNDDGTAKVFXM · pith_short_8: FTMHQNDD

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/FTMHQNDDGTAKVFXMXONMKU4UCW \
  | 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: 2cd878346334c0aa96ecbb9ac5539415b02c8c4c9b394e613cead995a8f9bc64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6062a29f5b9295c72e191b46305b2fec5780a98cc89c1dccd6a26caf28c947a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-07-17T09:07:02Z",
    "title_canon_sha256": "5556a5770cf3b4899339409d1e5bc9672495b9a61835c3693bb47e894bdd3b9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06289",
    "kind": "arxiv",
    "version": 2
  }
}