Pith Number

pith:RO2UZT6X

pith:2009:RO2UZT6XENWJJVIGHDEDQMGAV4

not attested not anchored not stored refs pending

Early Results on Radioactive Background Characterization for Sanford Laboratory and DUSEL Experiments

C. Zhang, D.-M. Mei, F. Gray, K. Thomas

arxiv:0912.0211 v2 · 2009-12-01 · nucl-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{RO2UZT6XENWJJVIGHDEDQMGAV4}

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	2026-05-18T02:34:02.791282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bb54ccfd7236c94d50638c83830c0af07fe7959ab07ef46fcf5379966a9ec8b

Aliases

arxiv: 0912.0211 · arxiv_version: 0912.0211v2 · doi: 10.48550/arxiv.0912.0211 · pith_short_12: RO2UZT6XENWJ · pith_short_16: RO2UZT6XENWJJVIG · pith_short_8: RO2UZT6X

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/RO2UZT6XENWJJVIGHDEDQMGAV4 \
  | 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: 8bb54ccfd7236c94d50638c83830c0af07fe7959ab07ef46fcf5379966a9ec8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1d98e1eb0d00fc5e9ab92b2abf03e8f88d8896fec08f7f598a90543a6274954",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2009-12-01T17:27:19Z",
    "title_canon_sha256": "3050d9f9e2493b2fb246c882bd3865702cc244d2752c1b59dd255cbfc83bbc70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0211",
    "kind": "arxiv",
    "version": 2
  }
}