Pith Number

pith:2BW2SSBB

pith:2013:2BW2SSBBVZQHP23DJONDMTJREZ

not attested not anchored not stored refs pending

Persistent C II Absorption in the Normal Type Ia Supernova 2002fk

Alejandro Clocchiatti, Carlos Contreras, Francisco F\"orster, Gaston Folatelli, Giuliano Pignata, Jos\'e Maza, Kathleen Koviak, Kevin Krisciunas, Leonor Huerta, Luis Gonz\'alez, Mario Hamuy, Mark M. Phillips, Miguel Roth, Nicholas B. Suntzeff, Nidia Morrell, Paolo Coppi, Paula Zelaya, R\'egis Cartier, Sergio Gonz\'alez

arxiv:1312.3342 v2 · 2013-12-11 · 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{2BW2SSBBVZQHP23DJONDMTJREZ}

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	2026-05-18T02:49:12.101288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d06da94821ae6077eb634b9a364d31264e682993595708331d04a541c44d43ec

Aliases

arxiv: 1312.3342 · arxiv_version: 1312.3342v2 · doi: 10.48550/arxiv.1312.3342 · pith_short_12: 2BW2SSBBVZQH · pith_short_16: 2BW2SSBBVZQHP23D · pith_short_8: 2BW2SSBB

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/2BW2SSBBVZQHP23DJONDMTJREZ \
  | 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: d06da94821ae6077eb634b9a364d31264e682993595708331d04a541c44d43ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04856b7c13ccd7982fef5cecf666e96c0bb0a29db986d6317e99207360b59ef0",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-12-11T21:02:39Z",
    "title_canon_sha256": "933ce196885a86d599b2c20702dc1b4419893c35f9d6f641dd252eafabed0d9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3342",
    "kind": "arxiv",
    "version": 2
  }
}