Pith Number

pith:QAUCKLV2

pith:2019:QAUCKLV226EUWNDSPD53PK6OA3

not attested not anchored not stored refs pending

Origin of Cosmic Ray Electrons and Positrons

Liu Siming, Shi Zhao-Dong

arxiv:1903.02756 v2 · 2019-03-07 · 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{QAUCKLV226EUWNDSPD53PK6OA3}

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	2026-05-17T23:49:59.219537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8028252ebad7894b347278fbb7abce06fd7daab80d5cfcef87647b9eb6e973ac

Aliases

arxiv: 1903.02756 · arxiv_version: 1903.02756v2 · doi: 10.48550/arxiv.1903.02756 · pith_short_12: QAUCKLV226EU · pith_short_16: QAUCKLV226EUWNDS · pith_short_8: QAUCKLV2

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/QAUCKLV226EUWNDSPD53PK6OA3 \
  | 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: 8028252ebad7894b347278fbb7abce06fd7daab80d5cfcef87647b9eb6e973ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8bc9ec0352934cb44380e31aa4e3c58c52d612bec95a2ca4e884b4e5e366fc7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-07T07:33:25Z",
    "title_canon_sha256": "a7caeac57a7518991b99429d6a9c79bb0f97138d22cd8fb1f3d3819a3f6fd383"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02756",
    "kind": "arxiv",
    "version": 2
  }
}