Pith Number

pith:4EYPRJEE

pith:2012:4EYPRJEEWPOEJGKJUROOOEQJE4

not attested not anchored not stored refs pending

B/C ratio and the PAMELA positron excess

M.Kachelriess, S.Ostapchenko

arxiv:1211.1033 v2 · 2012-11-05 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4EYPRJEEWPOEJGKJUROOOEQJE4}

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	2026-05-18T03:32:07.605244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e130f8a484b3dc449949a45ce71209272c5d5f0ec4f8dba7a7d66b33bdfaa3a8

Aliases

arxiv: 1211.1033 · arxiv_version: 1211.1033v2 · doi: 10.48550/arxiv.1211.1033 · pith_short_12: 4EYPRJEEWPOE · pith_short_16: 4EYPRJEEWPOEJGKJ · pith_short_8: 4EYPRJEE

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/4EYPRJEEWPOEJGKJUROOOEQJE4 \
  | 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: e130f8a484b3dc449949a45ce71209272c5d5f0ec4f8dba7a7d66b33bdfaa3a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b86984be5fc9a8b8440645c86de32a7e17d9b87940ad4159d601169a566f185",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-11-05T21:01:47Z",
    "title_canon_sha256": "4e2dfa7fe51512ea876db2f96058405e48ca116a4c4ebbe0a7f171d75cafff87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1033",
    "kind": "arxiv",
    "version": 2
  }
}