Pith Number

pith:7V7MCK2R

pith:2008:7V7MCK2RL3FRYBSZHWCQVB7OAP

not attested not anchored not stored refs pending

The point spread function of electrons in a magnetic field, and the decay of the free neutron

B. Maerkisch, D. Dubbers, F. Friedl, H. Abele, L. Raffelt

arxiv:0812.0347 v2 · 2008-12-01 · nucl-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{7V7MCK2RL3FRYBSZHWCQVB7OAP}

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	2026-05-18T01:29:32.373932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd7ec12b515ecb1c06593d850a87ee03d1d5ac3467251f8759007c13416103ff

Aliases

arxiv: 0812.0347 · arxiv_version: 0812.0347v2 · doi: 10.48550/arxiv.0812.0347 · pith_short_12: 7V7MCK2RL3FR · pith_short_16: 7V7MCK2RL3FRYBSZ · pith_short_8: 7V7MCK2R

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/7V7MCK2RL3FRYBSZHWCQVB7OAP \
  | 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: fd7ec12b515ecb1c06593d850a87ee03d1d5ac3467251f8759007c13416103ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eda0abb3680d21289a815eb25ed0df33756909495b6f3606df4d2b3d60dd572b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2008-12-01T19:31:21Z",
    "title_canon_sha256": "438bd5167cf06144a39b7e76c538e9b592bd62d28a67c27935770d5edf56cbbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.0347",
    "kind": "arxiv",
    "version": 2
  }
}