Pith Number

pith:MLZ4GIKF

pith:2010:MLZ4GIKFXPCJEGW733M5JWHUT5

not attested not anchored not stored refs pending

Discovery of X-Ray-Emitting O-Ne-Mg-Rich Ejecta in the Galactic Supernova Remnant Puppis A

2), 2 JHU, 3 PSU, 4 Miyazaki U., 5 Osaka U.), Hiroshi Tsunemi (5) (1 NASA/GSFC, Koji Mori (4), Robert Petre (1), Sangwook Park (3), Satoru Katsuda (1), Una Hwang (1

arxiv:1004.4132 v1 · 2010-04-23 · 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{MLZ4GIKFXPCJEGW733M5JWHUT5}

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	2026-05-18T02:07:54.622683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62f3c32145bbc4921adfded9d4d8f49f700c64ebc04dc14292e5c1fb919a6889

Aliases

arxiv: 1004.4132 · arxiv_version: 1004.4132v1 · doi: 10.48550/arxiv.1004.4132 · pith_short_12: MLZ4GIKFXPCJ · pith_short_16: MLZ4GIKFXPCJEGW7 · pith_short_8: MLZ4GIKF

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/MLZ4GIKFXPCJEGW733M5JWHUT5 \
  | 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: 62f3c32145bbc4921adfded9d4d8f49f700c64ebc04dc14292e5c1fb919a6889

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b26632ff43019c37c7d25ceb2d60b3ce55af9e533cc33508738b3623eb6e3fe0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-04-23T13:41:03Z",
    "title_canon_sha256": "64902730a4510ffce6ca675d4618f835f941936c93caef342f19e7b40ff01ad1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4132",
    "kind": "arxiv",
    "version": 1
  }
}