Pith Number

pith:JLFO35O7

pith:2009:JLFO35O77DYH3ZX4ZVQBJ2OW2A

not attested not anchored not stored refs pending

Hyperfine structure and $(e^{-},e^{+})$-pair annihilation in the muonium-positronium MuPs and positronium hydrides

Alexei M. Frolov, David M. Wardlaw

arxiv:0911.2822 v2 · 2009-11-15 · 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{JLFO35O77DYH3ZX4ZVQBJ2OW2A}

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	2026-05-18T02:34:05.354838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4acaedf5dff8f07de6fccd6014e9d6d0089ff5c8024240848ba68037c6f9d7b5

Aliases

arxiv: 0911.2822 · arxiv_version: 0911.2822v2 · doi: 10.48550/arxiv.0911.2822 · pith_short_12: JLFO35O77DYH · pith_short_16: JLFO35O77DYH3ZX4 · pith_short_8: JLFO35O7

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/JLFO35O77DYH3ZX4ZVQBJ2OW2A \
  | 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: 4acaedf5dff8f07de6fccd6014e9d6d0089ff5c8024240848ba68037c6f9d7b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b13f8711033b47052c7fa63401e1fddc22d74e0423e9901e79ee99c36771df51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-11-15T01:21:38Z",
    "title_canon_sha256": "840f1a17b8de4267a8c48ee2b736c91c61d78630099921e87187e9ae8116953f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2822",
    "kind": "arxiv",
    "version": 2
  }
}