Pith Number

pith:ZDI5RMOH

pith:2019:ZDI5RMOH4LXK6VUCMMTX4HDHOY

not attested not anchored not stored refs pending

A 3 Gyr White Dwarf with Warm Dust Discovered via the Backyard Worlds: Planet 9 Citizen Science Project

Aaron Meisner, Adam Burgasser, Adam Schneider, Dan Caselden, Jaqueline K. Faherty, John H. Debes, John Wisniewski, Jonathan Gagne, Jon M. Rees, Katelyn Allers, Marc Kuchner, Melina Thevenot, Michaela Allen, Michael Cushing, The Backyard Worlds: Planet 9 Collaboration, the Disk Detective Collaboration

arxiv:1902.07073 v1 · 2019-02-19 · 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{ZDI5RMOH4LXK6VUCMMTX4HDHOY}

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	2026-05-17T23:52:35.847329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8d1d8b1c7e2eeaf568263277e1c6776058534e41414930d61cb2d42c645eb4a

Aliases

arxiv: 1902.07073 · arxiv_version: 1902.07073v1 · doi: 10.48550/arxiv.1902.07073 · pith_short_12: ZDI5RMOH4LXK · pith_short_16: ZDI5RMOH4LXK6VUC · pith_short_8: ZDI5RMOH

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/ZDI5RMOH4LXK6VUCMMTX4HDHOY \
  | 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: c8d1d8b1c7e2eeaf568263277e1c6776058534e41414930d61cb2d42c645eb4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b4d7b18922a4a6d06d5ea7d5f24072b5ae2106f3a212ede827e4a70e4369044",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-19T14:34:06Z",
    "title_canon_sha256": "3e54777016eb2149bd5c5483cf52dcebadaa64f0236862630bc63d2e5d7043f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07073",
    "kind": "arxiv",
    "version": 1
  }
}