Pith Number

pith:OXMXOPV7

pith:1999:OXMXOPV7X4CIH5L7DGYZJRDEDL

not attested not anchored not stored refs pending

Details on the ${\cal{O}}(m_e \alpha^6)$ Positronium Hyperfine Splitting due to Single Photon Annihilation

A. H. Hoang (CERN), Canada), Iran), P. Labelle (McGill University, S. M. Zebarjad (Shiraz University

arxiv:hep-ph/9909495 v3 · 1999-09-23 · 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{OXMXOPV7X4CIH5L7DGYZJRDEDL}

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.

Cited by

1 paper in Pith

Chiral kinetic theory from the on-shell effective theory: derivation of collision terms

Receipt and verification

First computed	2026-05-18T04:17:36.988626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75d9773ebfbf0483f57f19b194c4641ac544152be18a5c2a08705d21d4b5961a

Aliases

arxiv: hep-ph/9909495 · arxiv_version: hep-ph/9909495v3 · doi: 10.48550/arxiv.hep-ph/9909495 · pith_short_12: OXMXOPV7X4CI · pith_short_16: OXMXOPV7X4CIH5L7 · pith_short_8: OXMXOPV7

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/OXMXOPV7X4CIH5L7DGYZJRDEDL \
  | 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: 75d9773ebfbf0483f57f19b194c4641ac544152be18a5c2a08705d21d4b5961a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b4fa1c9e1b1e5f91fbbdc5715907661648bc14e2c461a93ffd5f0cca2340e56",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-09-23T22:41:30Z",
    "title_canon_sha256": "c06b316307ad433019e15098d8d0b5cb5598828898b014899072aee443993f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9909495",
    "kind": "arxiv",
    "version": 3
  }
}