Pith Number

pith:N7A4TYOD

pith:2018:N7A4TYODGOXM2MLPP25OJVJ7L7

not attested not anchored not stored refs pending

SN 2014J in M82: New Insights On the Spectral Diversity of Type Ia Supernovae

1), 10.European Southern Observatory, 11), 11.Max-Planck Institute for Astrophysics, 12.Tianjin University of Technology), 2), 2.University of Texas at Austin, 3.Yunnan Observatories, 4. NAOC, 5. Padova Observatory, 6.Shanghai Jiaotong University, 7), 7.Padova University, 8.Stockholm University, 9.Northwestern University, A. Pastorello (5), A. Siviero (7), Danfeng Xiang (1), Fang Huang (6, G. Terreran (9), Han Lin (1), Hao Song (1), Hongbin Li (4), J. Craig Wheeler (2), Jianrong Shi (4), Jinming Bai (3), JuJia Zhang (3), Kaicheng Zhang (1, Liming Rui (1), Linyi Li (1), L. Tartaglia (8), L. Tomasella (5), N. Elias-Rosa (5), P.Ochner (5, S. Benetti (5), S. Taubenberger (10, Tianmeng Zhang (4), U. Munari (5), Wenxiong Li (1), Xiaofeng Wang (1), Xiaojun Jiang (4), Xulin Zhao (12), Zhenyu Wu (4) (1.Tsinghua University

arxiv:1808.06311 v1 · 2018-08-20 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N7A4TYODGOXM2MLPP25OJVJ7L7}

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	2026-05-18T00:07:05.379742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fc1c9e1c333aecd316f7ebae4d53f5fea0d35d11df5651b606efcf8a78b973c

Aliases

arxiv: 1808.06311 · arxiv_version: 1808.06311v1 · doi: 10.48550/arxiv.1808.06311 · pith_short_12: N7A4TYODGOXM · pith_short_16: N7A4TYODGOXM2MLP · pith_short_8: N7A4TYOD

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/N7A4TYODGOXM2MLPP25OJVJ7L7 \
  | 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: 6fc1c9e1c333aecd316f7ebae4d53f5fea0d35d11df5651b606efcf8a78b973c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2691cd3a885f1db899a4f0d26dfe0e8842fea6bfb17ebca00612697716876d80",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-20T05:37:26Z",
    "title_canon_sha256": "cc8be26d94b89ea991e0c0242237ee31573797c2cb13e7e544eed4badd5560e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06311",
    "kind": "arxiv",
    "version": 1
  }
}