Pith Number

pith:5IYZTACU

pith:2015:5IYZTACUDBRJIKCFHHRA3WPLXW

not attested not anchored not stored refs pending

Mass-Radius Relation for Rocky Planets based on PREM

Dimitar Sasselov, Li Zeng, Stein Jacobsen

arxiv:1512.08827 v2 · 2015-12-30 · 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{5IYZTACUDBRJIKCFHHRA3WPLXW}

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	2026-05-18T01:17:07.610614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea31998054186294284539e20dd9ebbd846fbee26af9b076a1e00e3f3b9d14da

Aliases

arxiv: 1512.08827 · arxiv_version: 1512.08827v2 · doi: 10.48550/arxiv.1512.08827 · pith_short_12: 5IYZTACUDBRJ · pith_short_16: 5IYZTACUDBRJIKCF · pith_short_8: 5IYZTACU

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/5IYZTACUDBRJIKCFHHRA3WPLXW \
  | 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: ea31998054186294284539e20dd9ebbd846fbee26af9b076a1e00e3f3b9d14da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c411250a1d3b2fa92dde4716c4a7cfa74d69764bf7f6d621e25966ea4d844a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-12-30T02:31:18Z",
    "title_canon_sha256": "5fa247d24f3275a6e0efdbf1a2f59925d265e3c808ce62735bbbfd546db750f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08827",
    "kind": "arxiv",
    "version": 2
  }
}