Pith Number

pith:R7E4NBM6

pith:1999:R7E4NBM6Z6OSI5CKKAXU642MLE

not attested not anchored not stored refs pending

A CPT anomaly

F.R. Klinkhamer

arxiv:hep-th/9912169 v4 · 1999-12-19 · hep-th · astro-ph · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R7E4NBM6Z6OSI5CKKAXU642MLE}

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	2026-07-04T15:21:00.974749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fc9c6859ecf9d24744a502f4f734c5930a52b7aa96535f177467a78d748ab0b

Aliases

arxiv: hep-th/9912169 · arxiv_version: hep-th/9912169v4 · doi: 10.48550/arxiv.hep-th/9912169 · pith_short_12: R7E4NBM6Z6OS · pith_short_16: R7E4NBM6Z6OSI5CK · pith_short_8: R7E4NBM6

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/R7E4NBM6Z6OSI5CKKAXU642MLE \
  | 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: 8fc9c6859ecf9d24744a502f4f734c5930a52b7aa96535f177467a78d748ab0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c5d9c158ddc1bc4cc680dd27f3adfb003fa66afcb12cb3b66eeab4e5e2f86a0",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-12-19T21:59:29Z",
    "title_canon_sha256": "3ce73921a8d1806faf5d9aba18f39ec47c204893f6d439440880a14bb4c82eab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9912169",
    "kind": "arxiv",
    "version": 4
  }
}