Pith Number

pith:3X3NPPDR

pith:2019:3X3NPPDRVK3ILSJLVWACD2V72F

not attested not anchored not stored refs pending

A planetesimal orbiting within the debris disc around a white dwarf star

Alexander J. Mustill, Andreas Quirrenbach, Boris T. G\"ansicke, Christopher J. Manser, David J. Wilson, Detlev Koester, Dimitri Veras, Domitilla de Martino, Eva Villaver, Farzana Meru, Jay Farihi, John D. Landstreet, Mark Hollands, Mark Wyatt, Matthew R. Burleigh, Matthias R. Schreiber, Melania Del Santo, Melvyn B. Davies, Nicola Gentile Fusillo, Odette Toloza, Pablo Rodr\'iguez-Gil, Paula Izquierdo, Roberto Raddi, Roberto Silvotti, Sabine Reffert, Siegfried Eggl, Silvia Toonen, Simon Portegies Zwart, Siyi Xu, Steven G. Parsons, Thomas R. Marsh, Wladimir Lyra

arxiv:1904.02163 v1 · 2019-04-03 · astro-ph.EP · 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{3X3NPPDRVK3ILSJLVWACD2V72F}

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	2026-05-17T23:49:24.272671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddf6d7bc71aab685c92bad8021eabfd14b2cfc8884985f4c84376dfc19e75f16

Aliases

arxiv: 1904.02163 · arxiv_version: 1904.02163v1 · doi: 10.48550/arxiv.1904.02163 · pith_short_12: 3X3NPPDRVK3I · pith_short_16: 3X3NPPDRVK3ILSJL · pith_short_8: 3X3NPPDR

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/3X3NPPDRVK3ILSJLVWACD2V72F \
  | 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: ddf6d7bc71aab685c92bad8021eabfd14b2cfc8884985f4c84376dfc19e75f16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7cec6acc5e79b6ca5479d0587d2b9c746e8e9d64afe0f7f45b744c4837da920",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-04-03T18:00:01Z",
    "title_canon_sha256": "16bfbbf0e66ff2c6f44173d58ad6d8505ac516dda712fc711c47e0c7a5fd53ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02163",
    "kind": "arxiv",
    "version": 1
  }
}