Pith Number

pith:M7RTFJY5

pith:2013:M7RTFJY5IU4AZH4F43KTDQ22EY

not attested not anchored not stored refs pending

Discovery of supernova remnants in the Sino-German 6cm polarization survey of the Galactic plane

J. L. Han, P. Reich, R. Wielebinski, W. Reich, X. H. Sun, X. Y. Gao

arxiv:1304.4732 v1 · 2013-04-17 · 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{M7RTFJY5IU4AZH4F43KTDQ22EY}

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	2026-05-18T01:50:31.814387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67e332a71d45380c9f85e6d531c35a2639745c68ca80afbf4fe167cb91365458

Aliases

arxiv: 1304.4732 · arxiv_version: 1304.4732v1 · doi: 10.48550/arxiv.1304.4732 · pith_short_12: M7RTFJY5IU4A · pith_short_16: M7RTFJY5IU4AZH4F · pith_short_8: M7RTFJY5

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/M7RTFJY5IU4AZH4F43KTDQ22EY \
  | 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: 67e332a71d45380c9f85e6d531c35a2639745c68ca80afbf4fe167cb91365458

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5de9da99bff1fe3de6a728cbada73fd09e7b48510c81f736e5483a288686588d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-17T08:47:10Z",
    "title_canon_sha256": "2a7d7c9e301c9972cc8ceb3ae7aa6a45c198bcfefe69749f039f117c17df16fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4732",
    "kind": "arxiv",
    "version": 1
  }
}