Pith Number

pith:Q5YRWANV

pith:2017:Q5YRWANVOWW725NXIY4B6SML3X

not attested not anchored not stored refs pending

On the Recovery of Core and Crustal Components of Geomagnetic Potential Fields

Christian Gerhards, Laurent Baratchart

arxiv:1703.10920 v2 · 2017-03-31 · math.AP · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5YRWANVOWW725NXIY4B6SML3X}

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	2026-05-18T00:39:12.459271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87711b01b575adfd75b746381f498bddc51bb003f305b6eac0cd3b7071e84164

Aliases

arxiv: 1703.10920 · arxiv_version: 1703.10920v2 · doi: 10.48550/arxiv.1703.10920 · pith_short_12: Q5YRWANVOWW7 · pith_short_16: Q5YRWANVOWW725NX · pith_short_8: Q5YRWANV

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/Q5YRWANVOWW725NXIY4B6SML3X \
  | 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: 87711b01b575adfd75b746381f498bddc51bb003f305b6eac0cd3b7071e84164

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "950ced8568021dffa09d9f5f523203b3a43d53a39315e137f9ceda0ac371a533",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-03-31T14:39:07Z",
    "title_canon_sha256": "0b17125cb7ca165c30de93450bf095513a1f66a5399db7881f0d45717401ab76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10920",
    "kind": "arxiv",
    "version": 2
  }
}