Pith Number

pith:ZVMETNL4

pith:2019:ZVMETNL4OTD7BWWXQ7Z5QORRIY

not attested not anchored not stored refs pending

The $UBV$ Color Evolution of Classical Novae. III. Time-Stretched Color-Magnitude Diagram of Novae in Outburst

Izumi Hachisu, Mariko Kato

arxiv:1902.10919 v1 · 2019-02-28 · 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{ZVMETNL4OTD7BWWXQ7Z5QORRIY}

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	2026-05-17T23:52:00.840216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd5849b57c74c7f0dad787f3d83a314606e8f03f4fed348bc3506f07371a03b4

Aliases

arxiv: 1902.10919 · arxiv_version: 1902.10919v1 · doi: 10.48550/arxiv.1902.10919 · pith_short_12: ZVMETNL4OTD7 · pith_short_16: ZVMETNL4OTD7BWWX · pith_short_8: ZVMETNL4

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/ZVMETNL4OTD7BWWXQ7Z5QORRIY \
  | 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: cd5849b57c74c7f0dad787f3d83a314606e8f03f4fed348bc3506f07371a03b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5842fdb08268090c3f250ce8e3a6f943f638acc7a17eecca36aebc256aa3bc49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-28T06:33:54Z",
    "title_canon_sha256": "8a3eee4d7aee9b97af0452b6799ec3a7702be0aaf4108af55cdbffc06d3c9b94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10919",
    "kind": "arxiv",
    "version": 1
  }
}