Pith Number

pith:ECFCV7L2

pith:2001:ECFCV7L2OD6MFXX37KW5JLLZIY

not attested not anchored not stored refs pending

The cosmic ray positron excess and neutralino dark matter

Edward A. Baltz, Joakim Edsjo, Katherine Freese, Paolo Gondolo

arxiv:astro-ph/0109318 v2 · 2001-09-19 · astro-ph · hep-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{ECFCV7L2OD6MFXX37KW5JLLZIY}

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	2026-07-04T16:24:08.648614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

208a2afd7a70fcc2defbfaadd4ad79461f78dcf424c0ac22f8bdefb2900d8642

Aliases

arxiv: astro-ph/0109318 · arxiv_version: astro-ph/0109318v2 · doi: 10.48550/arxiv.astro-ph/0109318 · pith_short_12: ECFCV7L2OD6M · pith_short_16: ECFCV7L2OD6MFXX3 · pith_short_8: ECFCV7L2

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/ECFCV7L2OD6MFXX37KW5JLLZIY \
  | 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: 208a2afd7a70fcc2defbfaadd4ad79461f78dcf424c0ac22f8bdefb2900d8642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a5a76ac0ff627db930d6b53c3a93fdd00e52ea469657f87650d5e05f8cb10ba",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-19T19:42:19Z",
    "title_canon_sha256": "e1a26fd70f2e12f9eeb0b4417e141d21cf4a1d26156c575e87722c3bf32a6890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109318",
    "kind": "arxiv",
    "version": 2
  }
}