Pith Number

pith:XDQYGUCB

pith:2013:XDQYGUCB4JSML6MFUWDVAYA27R

not attested not anchored not stored refs pending

Cosmic ray positrons from a local, middle-aged supernova remnant

Anatoly Erlykin, Arnold Wolfendale

arxiv:1308.4878 v1 · 2013-08-22 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XDQYGUCB4JSML6MFUWDVAYA27R}

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	2026-05-18T03:15:19.554555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8e1835041e264c5f985a58750601afc770ac25b1ff8cc97bdae0a536719448f

Aliases

arxiv: 1308.4878 · arxiv_version: 1308.4878v1 · doi: 10.48550/arxiv.1308.4878 · pith_short_12: XDQYGUCB4JSM · pith_short_16: XDQYGUCB4JSML6MF · pith_short_8: XDQYGUCB

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/XDQYGUCB4JSML6MFUWDVAYA27R \
  | 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: b8e1835041e264c5f985a58750601afc770ac25b1ff8cc97bdae0a536719448f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "624a36b219f19d9adcbe17220fb00724fbcf1538aae75833d6c31895f5d23fdb",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-08-22T14:35:51Z",
    "title_canon_sha256": "64c541eaab767fd22705abd90c508e70603fa8b248631f21122385863f524f3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4878",
    "kind": "arxiv",
    "version": 1
  }
}