Pith Number

pith:LESIEPCX

pith:2009:LESIEPCX5B67GQBJPZOMOBBXRY

not attested not anchored not stored refs pending

On the Progenitor of the Type II-Plateau SN 2008cn in NGC 4603

6, 7), A. V. Filippenko (2), Caltech; (2) UC Berkeley; (3) LCO; (4) U. Chile; (5) CFHT corporation; (6) CfA; (7) Clay Fellow), J.-C. Cuillandre (5), M. Hamuy (4), N. Elias-Rosa (1), N. Morrell (3), N. Smith (2) ((1) Spitzer Science Center, R. J. Foley (2, S. D. Van Dyk (1), S. Gonzalez (3), W. Li (2)

arxiv:0910.2275 v1 · 2009-10-13 · 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{LESIEPCX5B67GQBJPZOMOBBXRY}

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	2026-05-18T02:34:19.144821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5924823c57e87df340297e5cc704378e3a0cdc7ae03b09cac19aa0412377392f

Aliases

arxiv: 0910.2275 · arxiv_version: 0910.2275v1 · doi: 10.48550/arxiv.0910.2275 · pith_short_12: LESIEPCX5B67 · pith_short_16: LESIEPCX5B67GQBJ · pith_short_8: LESIEPCX

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/LESIEPCX5B67GQBJPZOMOBBXRY \
  | 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: 5924823c57e87df340297e5cc704378e3a0cdc7ae03b09cac19aa0412377392f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6195b566dd7c44fbe81dae77036595279f3f696e392a3592e4fdd1abfed7a9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-13T00:19:12Z",
    "title_canon_sha256": "f1df8c57ea1663e0ab9a2f61ed5bbbd4b052fb8fba5b0100a6370eb99fa884b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2275",
    "kind": "arxiv",
    "version": 1
  }
}