Pith Number

pith:3MDVCSXD

pith:2014:3MDVCSXD4N3V7VXXHQPJGV3FJQ

not attested not anchored not stored refs pending

A Distributed Magnetometer Network

Friedemann Freund, John Scoville, John Spritzer

arxiv:1409.5815 v2 · 2014-09-19 · physics.geo-ph · astro-ph.IM · physics.pop-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{3MDVCSXD4N3V7VXXHQPJGV3FJQ}

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	2026-05-18T02:41:18.261131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db07514ae3e3775fd6f73c1e9357654c0819e43f10894dbd04ade44a155fd91f

Aliases

arxiv: 1409.5815 · arxiv_version: 1409.5815v2 · doi: 10.48550/arxiv.1409.5815 · pith_short_12: 3MDVCSXD4N3V · pith_short_16: 3MDVCSXD4N3V7VXX · pith_short_8: 3MDVCSXD

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/3MDVCSXD4N3V7VXXHQPJGV3FJQ \
  | 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: db07514ae3e3775fd6f73c1e9357654c0819e43f10894dbd04ade44a155fd91f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41fa8cf6a74f3023737b5876f9035dab106eb5f9b8dd09ab3ece4c03fef0ccd1",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2014-09-19T20:56:43Z",
    "title_canon_sha256": "a34563e17428a0e7dfa447eff8e958e798fe7ed39fbbf07c3e9870823299c94b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5815",
    "kind": "arxiv",
    "version": 2
  }
}