Pith Number

pith:U5M4FCSG

pith:2013:U5M4FCSGV2XBVQV35BI2YP4AJ4

not attested not anchored not stored refs pending

Phosphorus in the Young Supernova Remnant Cassiopeia A

Bon-Chul Koo, Dae-Sik Moon, John C. Raymond, Sung-Chul Yoon, Yong-Hyun Lee

arxiv:1312.3807 v1 · 2013-12-13 · 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{U5M4FCSGV2XBVQV35BI2YP4AJ4}

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	2026-05-18T03:04:47.543030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a759c28a46aeae1ac2bbe851ac3f804f2fe2d789a525736b65da0085300e7df8

Aliases

arxiv: 1312.3807 · arxiv_version: 1312.3807v1 · doi: 10.48550/arxiv.1312.3807 · pith_short_12: U5M4FCSGV2XB · pith_short_16: U5M4FCSGV2XBVQV3 · pith_short_8: U5M4FCSG

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/U5M4FCSGV2XBVQV35BI2YP4AJ4 \
  | 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: a759c28a46aeae1ac2bbe851ac3f804f2fe2d789a525736b65da0085300e7df8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51a71295fbe10fec0b6a2ac07b0242974ccf12c0e2a6f3c35245b25aefb3a095",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-12-13T13:36:50Z",
    "title_canon_sha256": "22d5c24076acb82c57dcc6e475803474165a43845948122ac618e1123e3b8e27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3807",
    "kind": "arxiv",
    "version": 1
  }
}