Pith Number

pith:OBXVPYCB

pith:2008:OBXVPYCBINFWOF7ROMBGHKBMNL

not attested not anchored not stored refs pending

Do the photometric colors of Type II-P Supernovae allow accurate determination of host galaxy extinction?

David Gonzalez, Joanna Thomas-Osip, Juan Espinoza, Kathleen Koviak, Kevin Krisciunas, Luis Gonzalez, Mario Hamuy, Mark M. Phillips, Miguel Roth, Nicholas B. Suntzeff, Nidia Morrell, Sergio Gonzalez, Wojtek Krzeminski

arxiv:0809.2591 v1 · 2008-09-15 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBXVPYCBINFWOF7ROMBGHKBMNL}

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	2026-07-04T17:12:44.332505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

706f57e041434b6717f1730263a82c6af3d4969b13140f68ba2cb4d56dd5d757

Aliases

arxiv: 0809.2591 · arxiv_version: 0809.2591v1 · doi: 10.48550/arxiv.0809.2591 · pith_short_12: OBXVPYCBINFW · pith_short_16: OBXVPYCBINFWOF7R · pith_short_8: OBXVPYCB

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/OBXVPYCBINFWOF7ROMBGHKBMNL \
  | 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: 706f57e041434b6717f1730263a82c6af3d4969b13140f68ba2cb4d56dd5d757

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40152cb41c30684f2f4a12c437e6921ce184468152af30c65ed6ac01aa42dc8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-15T19:21:46Z",
    "title_canon_sha256": "744c9d616a07e78e224b9a58646e0f3f47deee64888910aa84bb4f83896e1c06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.2591",
    "kind": "arxiv",
    "version": 1
  }
}