Pith Number

pith:ZZOS226V

pith:2019:ZZOS226VGITCHDDXQVC4SDWZHG

not attested not anchored not stored refs pending

The Planet Nine Hypothesis

Fred C. Adams, Juliette C. Becker, Konstantin Batygin, Michael E. Brown

arxiv:1902.10103 v1 · 2019-02-26 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZZOS226VGITCHDDXQVC4SDWZHG}

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	2026-05-17T23:52:34.701445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce5d2d6bd53226238c778545c90ed93996f13963a1b47cbd6acc958826e0575a

Aliases

arxiv: 1902.10103 · arxiv_version: 1902.10103v1 · doi: 10.48550/arxiv.1902.10103 · pith_short_12: ZZOS226VGITC · pith_short_16: ZZOS226VGITCHDDX · pith_short_8: ZZOS226V

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/ZZOS226VGITCHDDXQVC4SDWZHG \
  | 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: ce5d2d6bd53226238c778545c90ed93996f13963a1b47cbd6acc958826e0575a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "424e9f2ff37837a4230c9d7e945f86947748759b9dcc90abc0b6d52c12e3b427",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-02-26T18:31:17Z",
    "title_canon_sha256": "653442587dae6830097f5a14d79c05afe3ca18e262139478a3330030b2bd9ab2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10103",
    "kind": "arxiv",
    "version": 1
  }
}