Pith Number

pith:A3VQIBNI

pith:2008:A3VQIBNICGUTFULUA7KW2S4Q4T

not attested not anchored not stored refs pending

A Cosmic Ray Positron Anisotropy due to Two Middle-Aged, Nearby Pulsars?

C. Venter, I. Buesching, M.S. Potgieter, O. C. de Jager

arxiv:0804.0220 v1 · 2008-04-01 · astro-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{A3VQIBNICGUTFULUA7KW2S4Q4T}

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	2026-07-04T17:10:03.853880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06eb0405a811a932d17407d56d4b90e4fa7086587be452e32ece5b31ccbc7d36

Aliases

arxiv: 0804.0220 · arxiv_version: 0804.0220v1 · doi: 10.48550/arxiv.0804.0220 · pith_short_12: A3VQIBNICGUT · pith_short_16: A3VQIBNICGUTFULU · pith_short_8: A3VQIBNI

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/A3VQIBNICGUTFULUA7KW2S4Q4T \
  | 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: 06eb0405a811a932d17407d56d4b90e4fa7086587be452e32ece5b31ccbc7d36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05e483ea1e61678f92ab83412c8a60eb74d8c4f758803d18848157f6db1486f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-01T18:55:33Z",
    "title_canon_sha256": "b01625e963b4dcccb1ef0d415d3faea9d7f12c085fcd25be9b2b2d1214c5b397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0220",
    "kind": "arxiv",
    "version": 1
  }
}