Pith Number

pith:ZQUHEGAX

pith:2013:ZQUHEGAXIQWU3XXH4FTE75GHUH

not attested not anchored not stored refs pending

A spatiospectral localization approach to estimating potential fields on the surface of a sphere from noisy, incomplete data taken at satellite altitudes

F. A. Dahlen, Frederik J. Simons

arxiv:1306.3255 v1 · 2013-06-13 · physics.data-an · 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{ZQUHEGAXIQWU3XXH4FTE75GHUH}

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	2026-05-18T03:20:57.979240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc28721817442d4ddee7e1664ff4c7a1ebeedd9d0e43a7870fc1d67460316247

Aliases

arxiv: 1306.3255 · arxiv_version: 1306.3255v1 · doi: 10.48550/arxiv.1306.3255 · pith_short_12: ZQUHEGAXIQWU · pith_short_16: ZQUHEGAXIQWU3XXH · pith_short_8: ZQUHEGAX

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/ZQUHEGAXIQWU3XXH4FTE75GHUH \
  | 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: cc28721817442d4ddee7e1664ff4c7a1ebeedd9d0e43a7870fc1d67460316247

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e062415ae0b277eabe5788c3a47dc4467638ea1b8dcc3d1ff0f4a302d0064549",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2013-06-13T21:02:44Z",
    "title_canon_sha256": "dd5061bfbd7e165b6dc0b196f74a62978a66c74f44ffdc8e9f4ed0e4e96a9c3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3255",
    "kind": "arxiv",
    "version": 1
  }
}