Pith Number

pith:GHG2M2IQ

pith:2014:GHG2M2IQFXCPNLVPPTCCSJ4F42

not attested not anchored not stored refs pending

The UBV Color Evolution of Classical Novae. I. Nova-Giant Sequence in the Color-Color Diagram

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

arxiv:1401.7113 v2 · 2014-01-28 · 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{GHG2M2IQFXCPNLVPPTCCSJ4F42}

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	2026-05-18T01:45:11.794100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31cda669102dc4f6aeaf7cc4292785e6ac3fd37dc2734ea85371b6057bb3f1d5

Aliases

arxiv: 1401.7113 · arxiv_version: 1401.7113v2 · doi: 10.48550/arxiv.1401.7113 · pith_short_12: GHG2M2IQFXCP · pith_short_16: GHG2M2IQFXCPNLVP · pith_short_8: GHG2M2IQ

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/GHG2M2IQFXCPNLVPPTCCSJ4F42 \
  | 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: 31cda669102dc4f6aeaf7cc4292785e6ac3fd37dc2734ea85371b6057bb3f1d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6809c07ba56957dc6c287bdde5b219261c544521213ffcb63b0506930f39ff79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-01-28T08:33:42Z",
    "title_canon_sha256": "776e895dec9883cf0d0bfb6031f33c24c31215c6d4a77b9abeffdf1e35f5a30a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7113",
    "kind": "arxiv",
    "version": 2
  }
}