Pith Number

pith:7QG42NV4

pith:2002:7QG42NV43I7K5PSPTSKROSXMZU

not attested not anchored not stored refs pending

Massive Superstring Vertex Operator in D=10 Superspace

Nathan Berkovits, Osvaldo Chandia

arxiv:hep-th/0204121 v3 · 2002-04-15 · 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{7QG42NV43I7K5PSPTSKROSXMZU}

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	2026-07-04T16:34:43.630008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc0dcd36bcda3eaebe4f9c95174aeccd2b4c6ae636fc1e7e0573b48397b4c44f

Aliases

arxiv: hep-th/0204121 · arxiv_version: hep-th/0204121v3 · doi: 10.48550/arxiv.hep-th/0204121 · pith_short_12: 7QG42NV43I7K · pith_short_16: 7QG42NV43I7K5PSP · pith_short_8: 7QG42NV4

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/7QG42NV43I7K5PSPTSKROSXMZU \
  | 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: fc0dcd36bcda3eaebe4f9c95174aeccd2b4c6ae636fc1e7e0573b48397b4c44f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5c15ec3173b19c46fabdb50d46bbc30d8f57985ce31aa61f689f3222ee1bbbf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-04-15T19:51:46Z",
    "title_canon_sha256": "18f0cbf3f551c83677cd65e8936c6e02361f7d7d2f402e7ecd28a893b77361ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0204121",
    "kind": "arxiv",
    "version": 3
  }
}