Pith Number

pith:FRVD44KZ

pith:2004:FRVD44KZLP3F2NOYNVMJZOFKGC

not attested not anchored not stored refs pending

Superstrings and WZNW Models

Cambridge), DISTA, G.Policastro (DAMTP, P. A. Grassi (YITP, P. van Nieuwenhuizen (YITP, Stony Brook, Stony Brook), Univ. Piemonte Orientale)

arxiv:hep-th/0402122 v1 · 2004-02-16 · 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{FRVD44KZLP3F2NOYNVMJZOFKGC}

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	2026-05-18T00:37:08.243341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c6a3e71595bf65d35d86d589cb8aa30adf62e13e1158a55f2ac8625f79f2981

Aliases

arxiv: hep-th/0402122 · arxiv_version: hep-th/0402122v1 · doi: 10.48550/arxiv.hep-th/0402122 · pith_short_12: FRVD44KZLP3F · pith_short_16: FRVD44KZLP3F2NOY · pith_short_8: FRVD44KZ

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/FRVD44KZLP3F2NOYNVMJZOFKGC \
  | 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: 2c6a3e71595bf65d35d86d589cb8aa30adf62e13e1158a55f2ac8625f79f2981

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7154bc98c5632591defa1d0853a4a61936a7a7c2e689daa8644788a61af04555",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-02-16T22:11:43Z",
    "title_canon_sha256": "a4f9f128287fdbd017d1de07b271b53dfa9618a158bddc91936213a3bcda8833"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0402122",
    "kind": "arxiv",
    "version": 1
  }
}