Pith Number

pith:CPJYM4VV

pith:1999:CPJYM4VVW4HSXHHXF63KOLRFKN

not attested not anchored not stored refs pending

Singletons and Neutrinos

Christian Fronsdal (UCLA)

arxiv:hep-th/9911241 v1 · 1999-11-30 · 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{CPJYM4VVW4HSXHHXF63KOLRFKN}

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	2026-05-18T04:24:15.242363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13d38672b5b70f2b9cf72fb6a72e25537919a2c6e6056c08e6eeb4daf0d68bb1

Aliases

arxiv: hep-th/9911241 · arxiv_version: hep-th/9911241v1 · doi: 10.48550/arxiv.hep-th/9911241 · pith_short_12: CPJYM4VVW4HS · pith_short_16: CPJYM4VVW4HSXHHX · pith_short_8: CPJYM4VV

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/CPJYM4VVW4HSXHHXF63KOLRFKN \
  | 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: 13d38672b5b70f2b9cf72fb6a72e25537919a2c6e6056c08e6eeb4daf0d68bb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67f8b435bf07369188cbba021cce52ec9064b51e18978be10380a950cff0880a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-11-30T00:00:41Z",
    "title_canon_sha256": "02894cc750ce779f9bbee36d8265c1ddbe8638b70ec98294e040751e581e99c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9911241",
    "kind": "arxiv",
    "version": 1
  }
}