Pith Number

pith:YU4BDAEU

pith:2014:YU4BDAEUVBH7W3EK7WC3HMU2VR

not attested not anchored not stored refs pending

An Accreting White Dwarf near the Chandrasekhar Limit in the Andromeda Galaxy

Albert K. H. Kong, Annalisa De Cia, Daniel A. Perley, Frank Masci, Jason Surace, K. L. Li, Lars Bildsten, Mansi M. Kasliwal, Peter E. Nugent, Russ Laher, S. Bradley Cenko, Shrinivas R. Kulkarni, Sumin Tang, Thomas A. Prince, William M. Wolf, Yi Cao

arxiv:1401.2426 v2 · 2014-01-10 · astro-ph.SR · 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{YU4BDAEUVBH7W3EK7WC3HMU2VR}

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	2026-05-18T01:45:26.644967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c538118094a84ffb6c8afd85b3b29aac4a29402040c9c4b5b107a8ba3da51b5e

Aliases

arxiv: 1401.2426 · arxiv_version: 1401.2426v2 · doi: 10.48550/arxiv.1401.2426 · pith_short_12: YU4BDAEUVBH7 · pith_short_16: YU4BDAEUVBH7W3EK · pith_short_8: YU4BDAEU

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/YU4BDAEUVBH7W3EK7WC3HMU2VR \
  | 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: c538118094a84ffb6c8afd85b3b29aac4a29402040c9c4b5b107a8ba3da51b5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4f2c251f57ee15cc94182a4706ff02f02bd7afd174f1a216193f4d000a5ce3f",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-01-10T19:01:23Z",
    "title_canon_sha256": "4b37f3795df419410bb1cdb2ebcaa99fc7fc0442f43bdd7ea8eda00c5dfeaa5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2426",
    "kind": "arxiv",
    "version": 2
  }
}