Pith Number

pith:XHJPBT2B

pith:1995:XHJPBT2B44VTWTA6DRPVSHATKR

not attested not anchored not stored refs pending

THE ORTHOPOSITRONIUM DECAY PUZZLE AND PRIMORDIAL NUCLEOSYNTHESIS

E. Masso, R. Escribano, R. Toldra

arxiv:hep-ph/9505443 v1 · 1995-05-31 · hep-ph · astro-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{XHJPBT2B44VTWTA6DRPVSHATKR}

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	2026-07-04T15:59:08.031310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9d2f0cf41e72b3b4c1e1c5f591c135466b94863d4eb52d2bcb730086ebf99a6

Aliases

arxiv: hep-ph/9505443 · arxiv_version: hep-ph/9505443v1 · doi: 10.48550/arxiv.hep-ph/9505443 · pith_short_12: XHJPBT2B44VT · pith_short_16: XHJPBT2B44VTWTA6 · pith_short_8: XHJPBT2B

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/XHJPBT2B44VTWTA6DRPVSHATKR \
  | 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: b9d2f0cf41e72b3b4c1e1c5f591c135466b94863d4eb52d2bcb730086ebf99a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "540ef603f0ccb11fde476319dafe6c85b9c57f76ed65ad73ffd9dee47665ef42",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1995-05-31T20:05:38Z",
    "title_canon_sha256": "6bd46c088e6a7558022ce6346fc6911b15882cc73c9e00242d82d38f71bea152"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9505443",
    "kind": "arxiv",
    "version": 1
  }
}