Pith Number

pith:QWAB4UKI

pith:2004:QWAB4UKI34GVBX2RG4UNF2XF45

not attested not anchored not stored refs pending

Fatgraph expansion for noncritical superstrings

Anton Kapustin, Arvind Murugan

arxiv:hep-th/0404238 v1 · 2004-04-29 · hep-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{QWAB4UKI34GVBX2RG4UNF2XF45}

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	2026-07-04T14:32:14.236234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85801e5148df0d50df513728d2eae5e77740cfef8d37640fe5f9c8d1f4c22b5e

Aliases

arxiv: hep-th/0404238 · arxiv_version: hep-th/0404238v1 · doi: 10.48550/arxiv.hep-th/0404238 · pith_short_12: QWAB4UKI34GV · pith_short_16: QWAB4UKI34GVBX2R · pith_short_8: QWAB4UKI

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/QWAB4UKI34GVBX2RG4UNF2XF45 \
  | 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: 85801e5148df0d50df513728d2eae5e77740cfef8d37640fe5f9c8d1f4c22b5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07834c9a822e04860748b0c7a00230456d366503d4a2e98f46ec0b0b26f00fa0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-04-29T07:42:37Z",
    "title_canon_sha256": "314070d77ffea43965e406d51001ad80ca183ff229a578011376a7d5ab5dc7a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0404238",
    "kind": "arxiv",
    "version": 1
  }
}