Pith Number

pith:34PEAKGN

pith:2009:34PEAKGNN3GZWMK5CNH3C6NTCO

not attested not anchored not stored refs pending

Search for CP-violation in Positronium Decay

S. Asai, T. Kobayashi, T. Namba, T. Yamazaki

arxiv:0912.0843 v2 · 2009-12-04 · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{34PEAKGNN3GZWMK5CNH3C6NTCO}

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	2026-05-18T03:23:56.643868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df1e4028cd6ecd9b315d134fb179b313b4d0ffd29bf9cd444fe4cccf3f1cc098

Aliases

arxiv: 0912.0843 · arxiv_version: 0912.0843v2 · doi: 10.48550/arxiv.0912.0843 · pith_short_12: 34PEAKGNN3GZ · pith_short_16: 34PEAKGNN3GZWMK5 · pith_short_8: 34PEAKGN

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/34PEAKGNN3GZWMK5CNH3C6NTCO \
  | 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: df1e4028cd6ecd9b315d134fb179b313b4d0ffd29bf9cd444fe4cccf3f1cc098

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be9d1940326f6c4da90552c4bb3cecd6cbb44125edbea15e1c79b13e3a6aec09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2009-12-04T16:21:24Z",
    "title_canon_sha256": "eb1e942d1e0846369aa572119ff1a24ae9718f4d78a105e3e2b60da36196e92b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0843",
    "kind": "arxiv",
    "version": 2
  }
}