Pith Number

pith:XKRX6KCH

pith:2012:XKRX6KCHZ5R4RNKZLSB2KRDMLZ

not attested not anchored not stored refs pending

Quantitative Photospheric Spectral Analysis of the Type IIP Supernova 2007od

C. Inserra, E. Baron, M. Turatto

arxiv:1202.0756 v1 · 2012-02-03 · astro-ph.SR · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XKRX6KCHZ5R4RNKZLSB2KRDMLZ}

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	2026-05-18T01:58:35.732353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baa37f2847cf63c8b5595c83a5446c5e5a3b2814d503cf3f34b93723540bcb73

Aliases

arxiv: 1202.0756 · arxiv_version: 1202.0756v1 · doi: 10.48550/arxiv.1202.0756 · pith_short_12: XKRX6KCHZ5R4 · pith_short_16: XKRX6KCHZ5R4RNKZ · pith_short_8: XKRX6KCH

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/XKRX6KCHZ5R4RNKZLSB2KRDMLZ \
  | 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: baa37f2847cf63c8b5595c83a5446c5e5a3b2814d503cf3f34b93723540bcb73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9593150d56ac5cf55ce39e1cd6f392fb35c142593b649e7181c0065b26a06f7a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-03T16:33:15Z",
    "title_canon_sha256": "faee4ba7ba1432708376c2e3e4ffeba3c638e680bc9346a51ef900021eff8a14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0756",
    "kind": "arxiv",
    "version": 1
  }
}