Pith Number

pith:Q5UDRTCD

pith:2009:Q5UDRTCDJUTPMVOQJPQ5AD5HNY

not attested not anchored not stored refs pending

SN2003bg: a broad-lined Type IIb Supernova with Hydrogen

2, (2) INAF-OAPD, 3, (3) MPA, 4), (4) RESCEU, (5) NAO CAS, (6) Astronomy Dept., (7) IPMU, Beijing, China, Garching, Germany, Italy, Japan, Japan), Jinsong Deng (5), Ken'ichi Nomoto (7) ((1) Scuola Normale Superiore di Pisa, Mario Hamuy (6), Paolo A. Mazzali (1, U. Chile, U. Tokyo

arxiv:0908.1773 v1 · 2009-08-12 · astro-ph.HE · 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{Q5UDRTCDJUTPMVOQJPQ5AD5HNY}

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	2026-05-18T02:12:34.877882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

876838cc434d26f655d04be1d00fa76e294072419db36a1adb84351f7f6853a1

Aliases

arxiv: 0908.1773 · arxiv_version: 0908.1773v1 · doi: 10.48550/arxiv.0908.1773 · pith_short_12: Q5UDRTCDJUTP · pith_short_16: Q5UDRTCDJUTPMVOQ · pith_short_8: Q5UDRTCD

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/Q5UDRTCDJUTPMVOQJPQ5AD5HNY \
  | 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: 876838cc434d26f655d04be1d00fa76e294072419db36a1adb84351f7f6853a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "749b31f9dc641949763d288170733949de6ff06bfef45be6ef6e5ef5e24d30e7",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-08-12T18:54:17Z",
    "title_canon_sha256": "58074166b0ea82dcdb3507261ddbf16f516a9119e734d0cd7ab9a33e91793730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1773",
    "kind": "arxiv",
    "version": 1
  }
}