Pith Number

pith:GFFJDW3Z

pith:2022:GFFJDW3ZNQXPXQBFNWNCJ5QUTC

not attested not anchored not stored refs pending

Modelling Cosmic Radiation Events in the Tree-ring Radiocarbon Record

Andrea Scifo, Benjamin J.S. Pope, Jordan A. Dennis, Margot Kuitems, Mathew J. Owens, Michael W. Dee, Qingyuan Zhang, Ulf Buentgen, Utkarsh Sharma

arxiv:2210.13775 v1 · 2022-10-25 · astro-ph.SR · astro-ph.EP · astro-ph.IM · physics.geo-ph · physics.space-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{GFFJDW3ZNQXPXQBFNWNCJ5QUTC}

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	2026-07-05T05:16:25.826608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

314a91db796c2efbc0256d9a24f61498b958166a78be3a4c8638b99ac1cebbcf

Aliases

arxiv: 2210.13775 · arxiv_version: 2210.13775v1 · doi: 10.48550/arxiv.2210.13775 · pith_short_12: GFFJDW3ZNQXP · pith_short_16: GFFJDW3ZNQXPXQBF · pith_short_8: GFFJDW3Z

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/GFFJDW3ZNQXPXQBFNWNCJ5QUTC \
  | 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: 314a91db796c2efbc0256d9a24f61498b958166a78be3a4c8638b99ac1cebbcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2202c05f8c0df51a760f693efc172e8f13ca4d81578b8ec67e040d7edbe90dc3",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM",
      "physics.geo-ph",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-10-25T05:35:57Z",
    "title_canon_sha256": "40a39f50f2862000bccae365681a3a397293f047775f331fab54317249856927"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.13775",
    "kind": "arxiv",
    "version": 1
  }
}