Pith Number

pith:2LLSYWNO

pith:2012:2LLSYWNOFY55UG4EMLWCKLT77D

not attested not anchored not stored refs pending

A carbon dwarf wearing a Necklace: first proof of accretion in a post-common-envelope binary central star of a planetary nebula with jets

Brent Miszalski (SAAO/SALT), Henri M. J. Boffin (ESO), Romano L. M. Corradi (IAC/ULL)

arxiv:1210.1458 v1 · 2012-10-04 · 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{2LLSYWNOFY55UG4EMLWCKLT77D}

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	2026-05-18T01:54:05.753883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2d72c59ae2e3bda1b8462ec252e7ff8cd53ffc3d7f2b24324e8450e4506bce8

Aliases

arxiv: 1210.1458 · arxiv_version: 1210.1458v1 · doi: 10.48550/arxiv.1210.1458 · pith_short_12: 2LLSYWNOFY55 · pith_short_16: 2LLSYWNOFY55UG4E · pith_short_8: 2LLSYWNO

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/2LLSYWNOFY55UG4EMLWCKLT77D \
  | 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: d2d72c59ae2e3bda1b8462ec252e7ff8cd53ffc3d7f2b24324e8450e4506bce8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2799f0ffd62d02b6c6ceba2604936ee3ccd324ffc98ea61f1e5b79d8861cac8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-04T14:20:52Z",
    "title_canon_sha256": "d77d24fef0536ba6b5fcbb9bfcb8b3dc17e2b5a530a60c202585dda8714383f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1458",
    "kind": "arxiv",
    "version": 1
  }
}