Pith Number

pith:CUQRFLQA

pith:1992:CUQRFLQAWHAESVIG2RCC6DVX34

not attested not anchored not stored refs pending

The Heterotic Green-Schwarz Superstring on an N=(2,0) Super-Worldsheet

Nathan Berkovits

arxiv:hep-th/9201004 v1 · 1992-01-03 · 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{CUQRFLQAWHAESVIG2RCC6DVX34}

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	2026-07-04T15:55:18.612241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

152112ae00b1c0495506d4442f0eb7df2517ecadb7865df48af6f3033401823f

Aliases

arxiv: hep-th/9201004 · arxiv_version: hep-th/9201004v1 · doi: 10.48550/arxiv.hep-th/9201004 · pith_short_12: CUQRFLQAWHAE · pith_short_16: CUQRFLQAWHAESVIG · pith_short_8: CUQRFLQA

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/CUQRFLQAWHAESVIG2RCC6DVX34 \
  | 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: 152112ae00b1c0495506d4442f0eb7df2517ecadb7865df48af6f3033401823f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a45d6a8e5ea6b526fad50dc9d9207aaf2fd391a444f086b635e6a60faaedb6e4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1992-01-03T01:02:01Z",
    "title_canon_sha256": "5446583a5c32d837d1ccf52ad8400da6734f45131050c49e9147ccd01657b03e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9201004",
    "kind": "arxiv",
    "version": 1
  }
}