Pith Number

pith:4EKM72GV

pith:2021:4EKM72GVOHQNNC2NKWIGLAFPES

not attested not anchored not stored refs pending

The Origin of Galactic Cosmic Rays as Revealed by their Composition

Jean Duprat, John C. Raymond, Sarah Recchia, Stefano Gabici, Vincent Tatischeff

arxiv:2106.15581 v2 · 2021-06-29 · 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{4EKM72GVOHQNNC2NKWIGLAFPES}

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	2026-07-05T03:21:52.775877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e114cfe8d571e0d68b4d55906580af2481acef21ca8de1961fbcc74d28393c93

Aliases

arxiv: 2106.15581 · arxiv_version: 2106.15581v2 · doi: 10.48550/arxiv.2106.15581 · pith_short_12: 4EKM72GVOHQN · pith_short_16: 4EKM72GVOHQNNC2N · pith_short_8: 4EKM72GV

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/4EKM72GVOHQNNC2NKWIGLAFPES \
  | 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: e114cfe8d571e0d68b4d55906580af2481acef21ca8de1961fbcc74d28393c93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcc4145a61ac29755b4870d45309778e5549ef4b6027177f61f7b6ab77779b75",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-06-29T17:16:22Z",
    "title_canon_sha256": "7dd21146e8033f52622829586f91f9e7745034f959912a142316508f58ced113"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.15581",
    "kind": "arxiv",
    "version": 2
  }
}