Pith Number

pith:JBX7ZGN4

pith:2003:JBX7ZGN4DPNQOVSBG2TKIOKIKO

not attested not anchored not stored refs pending

Precision Measurement of Orthopositronium Decay Rate Using SiO_2 Powder

O. Jinnouchi, S. Asai, T. Kobayashi

arxiv:hep-ex/0308030 v1 · 2003-08-10 · 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{JBX7ZGN4DPNQOVSBG2TKIOKIKO}

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	2026-05-18T01:39:15.805034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

486ffc99bc1bdb07564136a6a4394853b7d53916564adc1eaf7d4a3ef6d781b5

Aliases

arxiv: hep-ex/0308030 · arxiv_version: hep-ex/0308030v1 · doi: 10.48550/arxiv.hep-ex/0308030 · pith_short_12: JBX7ZGN4DPNQ · pith_short_16: JBX7ZGN4DPNQOVSB · pith_short_8: JBX7ZGN4

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/JBX7ZGN4DPNQOVSBG2TKIOKIKO \
  | 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: 486ffc99bc1bdb07564136a6a4394853b7d53916564adc1eaf7d4a3ef6d781b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5706685e003795cded51636ec7f6a6bfbc0c38b16e4b9de5798f9612a4d1c37",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "2003-08-10T04:07:02Z",
    "title_canon_sha256": "c6731ee2e4273398e568d6848aa136eecd8a795dccfc916af5f4884805f5b4f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/0308030",
    "kind": "arxiv",
    "version": 1
  }
}