pith. sign in
Pith Number

pith:NM4V4NBU

pith:2009:NM4V4NBUGQBWO3L7R5CXGLXM2Z
not attested not anchored not stored refs pending

Toric Lego: A method for modular model building

I\~naki Garc\'ia-Etxebarria, Per Berglund, Vijay Balasubramanian

arxiv:0910.3616 v3 · 2009-10-19 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NM4V4NBUGQBWO3L7R5CXGLXM2Z}

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 2026-05-18T02:11:14.188275Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6b395e34343403676d7f8f45732eecd6720ab5e96cc61572156b1a5c97c75e98

Aliases

arxiv: 0910.3616 · arxiv_version: 0910.3616v3 · doi: 10.48550/arxiv.0910.3616 · pith_short_12: NM4V4NBUGQBW · pith_short_16: NM4V4NBUGQBWO3L7 · pith_short_8: NM4V4NBU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NM4V4NBUGQBWO3L7R5CXGLXM2Z \
  | 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: 6b395e34343403676d7f8f45732eecd6720ab5e96cc61572156b1a5c97c75e98
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "91185fd2ef5d2ab32b63145b11fe4202ff79d52b24490ea0ee08e840ccada6b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-10-19T17:26:34Z",
    "title_canon_sha256": "b36271876b3ad0cdda2b778b2769e9c11b28a9234dfb0f88409c1e75476a4a6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3616",
    "kind": "arxiv",
    "version": 3
  }
}