Pith Number

pith:622QYXFE

pith:2009:622QYXFENAWR7OC32D335TU2OR

not attested not anchored not stored refs pending

Measurement Limits to 134Cs Concentration in Soil

H. Ch. Kim, H. M. Lee, H. S. Lee, J. K. Ahn, J. N. Park, J. S. Kim, J. Y. Park, S. J. Kim, S. K. Kim, S. Y. Ryu, T. H. Kim, W. G. Kang, Y. S. Kang

arxiv:0901.1359 v2 · 2009-01-10 · physics.med-ph · physics.geo-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{622QYXFENAWR7OC32D335TU2OR}

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	2026-05-18T04:05:48.526096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6b50c5ca4682d1fb85bd0f7bece9a7451871a041178aca84d3ebd163436e328

Aliases

arxiv: 0901.1359 · arxiv_version: 0901.1359v2 · doi: 10.48550/arxiv.0901.1359 · pith_short_12: 622QYXFENAWR · pith_short_16: 622QYXFENAWR7OC3 · pith_short_8: 622QYXFE

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/622QYXFENAWR7OC32D335TU2OR \
  | 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: f6b50c5ca4682d1fb85bd0f7bece9a7451871a041178aca84d3ebd163436e328

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cc55044fc0f26792b3334eb5c535ce7cf259d85968868cfbdb0508152dd0303",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2009-01-10T08:34:21Z",
    "title_canon_sha256": "86ba871b5676a2b02c9a56c5693e4b0d87435acc6b29700ee70006427a618a94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1359",
    "kind": "arxiv",
    "version": 2
  }
}