Pith Number

pith:33V6SIET

pith:2018:33V6SIETTXPWIGEGWX6VA73US7

not attested not anchored not stored refs pending

Phoebe: a surface dominated by water

Michael E. Brown, Wesley C. Fraser

arxiv:1803.04979 v1 · 2018-03-13 · 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{33V6SIETTXPWIGEGWX6VA73US7}

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	2026-05-18T00:11:05.804576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

deebe920939ddf641886b5fd507f7497eedeb81177a1ad4a812e2033c39c1517

Aliases

arxiv: 1803.04979 · arxiv_version: 1803.04979v1 · doi: 10.48550/arxiv.1803.04979 · pith_short_12: 33V6SIETTXPW · pith_short_16: 33V6SIETTXPWIGEG · pith_short_8: 33V6SIET

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/33V6SIETTXPWIGEGWX6VA73US7 \
  | 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: deebe920939ddf641886b5fd507f7497eedeb81177a1ad4a812e2033c39c1517

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5b41543c7bbc7b53243052938ae8f74d6a97aad511505ec9b7af982207d418e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-03-13T18:00:06Z",
    "title_canon_sha256": "bf859f18746c096e44f241c389ddaa84359755f337755e66f3b2fa8d9e56eefc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04979",
    "kind": "arxiv",
    "version": 1
  }
}