Pith Number

pith:IUUMBRGT

pith:2015:IUUMBRGT36PDPAFMPNM4W2XRIL

not attested not anchored not stored refs pending

A Luminous Peculiar Type Ia Supernova SN 2011hr: More Like SN 1991T or SN 2007if?

Baoli Lun, Bo Wang, Chuan-Jun Wang, Elena Pian, Fang Huang, Jianguo Wang, Jinming Bai, Jujia Zhang, Juncheng Chen, Kaicheng Zhang, Keiichi Maeda, Liang Chang, Michele Sasdelli, Paolo A. Mazzali, Qian Zhai, Tianmeng Zhang, Weimin Yi, Xiangcun Meng, Xiangming Zheng, Xiaofeng Wang, Xiliang Zhang, Xueli Wang, Xulin Zhao, Yufeng Fan, Yuxin Xin, Zhengweei Liu

arxiv:1512.03995 v2 · 2015-12-13 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUUMBRGT36PDPAFMPNM4W2XRIL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:21:25.948893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4528c0c4d3df9e3780ac7b59cb6af142ebd0e0e0aab8282895e3f8c0178550bf

Aliases

arxiv: 1512.03995 · arxiv_version: 1512.03995v2 · doi: 10.48550/arxiv.1512.03995 · pith_short_12: IUUMBRGT36PD · pith_short_16: IUUMBRGT36PDPAFM · pith_short_8: IUUMBRGT

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/IUUMBRGT36PDPAFMPNM4W2XRIL \
  | 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: 4528c0c4d3df9e3780ac7b59cb6af142ebd0e0e0aab8282895e3f8c0178550bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d30a2d6a4a167bc881db3a366041fbf4045a129672045580c55dca9a6d2c6851",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-13T03:17:28Z",
    "title_canon_sha256": "883ec9197fb99a51d16e745a9027650a507f942f7b99bd8ae9bfebf43339f322"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03995",
    "kind": "arxiv",
    "version": 2
  }
}