Pith Number

pith:PWYJ67SL

pith:2012:PWYJ67SLKJ2YQ44FMNIAVQJI7U

not attested not anchored not stored refs pending

First Large Scale Production of Low Radioactivity Argon From Underground Sources

A. Goretti, A. Nelson, An. Inanni, A. Pocar, B. Loer, C. Condon, C. Galbiati, D. Montanari, E. de Haas, F. Calaprice, H. O. Back, R. Ford, T. Hohman

arxiv:1204.6024 v2 · 2012-04-26 · astro-ph.IM · 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{PWYJ67SLKJ2YQ44FMNIAVQJI7U}

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	2026-05-18T03:56:35.058561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7db09f7e4b527588738563500ac128fd3d1d12a2a8d520f1336353772031a21f

Aliases

arxiv: 1204.6024 · arxiv_version: 1204.6024v2 · doi: 10.48550/arxiv.1204.6024 · pith_short_12: PWYJ67SLKJ2Y · pith_short_16: PWYJ67SLKJ2YQ44F · pith_short_8: PWYJ67SL

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/PWYJ67SLKJ2YQ44FMNIAVQJI7U \
  | 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: 7db09f7e4b527588738563500ac128fd3d1d12a2a8d520f1336353772031a21f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f524821120a4635fa90501ae75262ca36ce74cde752cd67a7c7e8337cde4e2c",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-04-26T19:40:23Z",
    "title_canon_sha256": "92c8c87811f96b1dd49745b11f2a59ff9357e03996594618dca3dc9a7bd8f978"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6024",
    "kind": "arxiv",
    "version": 2
  }
}