Pith Number

pith:DCPNZZA3

pith:2016:DCPNZZA3DMZTIIHVPOHYJLSCRM

not attested not anchored not stored refs pending

The UBV Color Evolution of Classical Novae. II. Color-Magnitude Diagram

Izumi Hachisu (The Univ. of Tokyo), Mariko Kato (Keio Univ.)

arxiv:1602.01195 v3 · 2016-02-03 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DCPNZZA3DMZTIIHVPOHYJLSCRM}

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	2026-05-18T01:16:14.369234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

189edce41b1b333420f57b8f84ae428b3cbcabb89f62472395254a85312452ce

Aliases

arxiv: 1602.01195 · arxiv_version: 1602.01195v3 · doi: 10.48550/arxiv.1602.01195 · pith_short_12: DCPNZZA3DMZT · pith_short_16: DCPNZZA3DMZTIIHV · pith_short_8: DCPNZZA3

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/DCPNZZA3DMZTIIHVPOHYJLSCRM \
  | 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: 189edce41b1b333420f57b8f84ae428b3cbcabb89f62472395254a85312452ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a53f15bed39ebbfd8e5667404ebc72d2428be5f5130f8eab39bcb2a0332b8a09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-02-03T05:56:21Z",
    "title_canon_sha256": "1c697a42e7388ba18e863eed7de4edcffe6e657fc23a32f24fdb536ad02282ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01195",
    "kind": "arxiv",
    "version": 3
  }
}