Pith Number

pith:2P7PJ4HT

pith:2013:2P7PJ4HTCQV6LLBQWD7YWVCCL3

not attested not anchored not stored refs pending

EL CVn-type binaries - Discovery of 17 helium white dwarf precursors in bright eclipsing binary star systems

A. Collier Cameron, B. Smalley, C. A. Haswell, C. Owen, D. Pulley, D. R. Anderson, D. Sebastian, D. Smith, E. Breedt, E. K. Simpson, G. Faillace, J. Bochinski, J. Southworth, L. Hebb, P. F. L. Maxted, P. J. Wheatley, R. Busuttil, R. G. West, S. Bloemen, S. Geier, S. Hadigal, T. R. Marsh, U. Heber, U. Kolb

arxiv:1310.4863 v1 · 2013-10-17 · 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{2P7PJ4HTCQV6LLBQWD7YWVCCL3}

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	2026-05-18T01:46:58.194659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3fef4f0f3142be5ac30b0ff8b54425efa19f77178bca3c9f7a46c40492d5bdd

Aliases

arxiv: 1310.4863 · arxiv_version: 1310.4863v1 · doi: 10.48550/arxiv.1310.4863 · pith_short_12: 2P7PJ4HTCQV6 · pith_short_16: 2P7PJ4HTCQV6LLBQ · pith_short_8: 2P7PJ4HT

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/2P7PJ4HTCQV6LLBQWD7YWVCCL3 \
  | 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: d3fef4f0f3142be5ac30b0ff8b54425efa19f77178bca3c9f7a46c40492d5bdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "419459df92427cf8325d46dcb23929e9fe4cd0268dd90f4f3b36cc5d01d10ac1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-17T22:22:24Z",
    "title_canon_sha256": "a24daf746d2d9af87da9b4e7a6cedc012d909a1342897e91ee1c8b2ac070af37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4863",
    "kind": "arxiv",
    "version": 1
  }
}