Pith Number

pith:YYXUPMDT

pith:2018:YYXUPMDTG3A4CFJHSIQLR6XSBT

not attested not anchored not stored refs pending

The Cold and Dusty Circumstellar Matter around Fast-expanding Type Ia Supernovae

1), 2), (2) Texas A&M University, 3), (3) Purple Mountain Observatory, (4) Weizmann Institute, (5) Tianjin University of Technology), Gaobo Xi (1), Jia Chen (1), Lifan Wang (2, Maokai Hu (3), Wenxiong Li (1) ((1) Tsinghua University, Xiaofeng Wang (1), Xulin Zhao (5, Yi Yang (4

arxiv:1810.11936 v2 · 2018-10-29 · 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{YYXUPMDTG3A4CFJHSIQLR6XSBT}

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	2026-07-05T00:06:31.613615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c62f47b07336c1c115279220b8faf20cf5fb7fdbdda5d82ecff2e9b85815aa39

Aliases

arxiv: 1810.11936 · arxiv_version: 1810.11936v2 · doi: 10.48550/arxiv.1810.11936 · pith_short_12: YYXUPMDTG3A4 · pith_short_16: YYXUPMDTG3A4CFJH · pith_short_8: YYXUPMDT

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/YYXUPMDTG3A4CFJHSIQLR6XSBT \
  | 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: c62f47b07336c1c115279220b8faf20cf5fb7fdbdda5d82ecff2e9b85815aa39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1d6367b0dfebba7f52597b1b654612932ffa11de7023b7a2667038634d67f21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-10-29T03:31:56Z",
    "title_canon_sha256": "2b42846c54a37edc2ca0c2560b20ccfb3bed11b956f20c3c8a39aafa94af8384"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11936",
    "kind": "arxiv",
    "version": 2
  }
}