Pith Number

pith:BTSNPLGN

pith:2019:BTSNPLGNGZVC52S6FY4VAQQ76Y

not attested not anchored not stored refs pending

Caesium fallout in Tokyo on 15th March, 2011 is dominated by highly radioactive, caesium-rich microparticles

Asumi Ochiai, Bernd Grambow, Genki Furuki, Kenji Nanba, Rodney C. Ewing, Satoshi Utsunomiya, Shinya Yamasaki

arxiv:1906.00212 v2 · 2019-06-01 · physics.med-ph · physics.soc-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{BTSNPLGNGZVC52S6FY4VAQQ76Y}

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	2026-05-17T23:39:30.076651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ce4d7accd366a2eea5e2e3950421ff61fe806151c535bdb7896287bb74a5e73

Aliases

arxiv: 1906.00212 · arxiv_version: 1906.00212v2 · doi: 10.48550/arxiv.1906.00212 · pith_short_12: BTSNPLGNGZVC · pith_short_16: BTSNPLGNGZVC52S6 · pith_short_8: BTSNPLGN

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/BTSNPLGNGZVC52S6FY4VAQQ76Y \
  | 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: 0ce4d7accd366a2eea5e2e3950421ff61fe806151c535bdb7896287bb74a5e73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62c497b3af51f63153955b8914769d7c6ec707ba978707bea39140494289b51a",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-06-01T12:13:37Z",
    "title_canon_sha256": "7d6b069c3b4625b839f9214cc862adec8a17610ad882bf6c77a4551ffc02a78d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00212",
    "kind": "arxiv",
    "version": 2
  }
}