Pith Number

pith:3VT2PQYT

pith:2008:3VT2PQYTL7KIXT3F6UTIVY7YBJ

not attested not anchored not stored refs pending

The Density Matrix Renormalization Group and the Nuclear Shell Model

B. Thakur, N. Sandulescu, S. Pittel

arxiv:0808.1303 v1 · 2008-08-08 · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3VT2PQYTL7KIXT3F6UTIVY7YBJ}

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	2026-05-18T04:22:29.967110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd67a7c3135fd48bcf65f5268ae3f80a50a3189188ed3582cffd3857f228cf5a

Aliases

arxiv: 0808.1303 · arxiv_version: 0808.1303v1 · doi: 10.48550/arxiv.0808.1303 · pith_short_12: 3VT2PQYTL7KI · pith_short_16: 3VT2PQYTL7KIXT3F · pith_short_8: 3VT2PQYT

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/3VT2PQYTL7KIXT3F6UTIVY7YBJ \
  | 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: dd67a7c3135fd48bcf65f5268ae3f80a50a3189188ed3582cffd3857f228cf5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bbc88e4e2f4bcd2bcf6e8cbfe2de42b35f9bdca55ab149f9ea1b74c13321fd8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2008-08-08T21:42:05Z",
    "title_canon_sha256": "67edfeca3557a191a80c03ac8720cac584a957e4c784a203c3444c529a14d575"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.1303",
    "kind": "arxiv",
    "version": 1
  }
}