Pith Number

pith:3IAPJKTF

pith:2018:3IAPJKTFGDNJLCCLO7LYLYLC5S

not attested not anchored not stored refs pending

Interior structure of Mars and other rock-and-iron planetary bodies

A. Aitta

arxiv:1811.09198 v1 · 2018-11-22 · astro-ph.EP · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3IAPJKTFGDNJLCCLO7LYLYLC5S}

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	2026-05-18T00:00:03.954193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da00f4aa6530da95884b77d785e162ec8fdaa44164d7abc2f80161bac73121a9

Aliases

arxiv: 1811.09198 · arxiv_version: 1811.09198v1 · doi: 10.48550/arxiv.1811.09198 · pith_short_12: 3IAPJKTFGDNJ · pith_short_16: 3IAPJKTFGDNJLCCL · pith_short_8: 3IAPJKTF

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/3IAPJKTFGDNJLCCLO7LYLYLC5S \
  | 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: da00f4aa6530da95884b77d785e162ec8fdaa44164d7abc2f80161bac73121a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "492893a164e23c6367133e216f45234dc9fa30ab1355698a8724eb98a136a33c",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-11-22T14:54:41Z",
    "title_canon_sha256": "d1fd5499f22368c0bd969c8c5d11726b434b20146d7dab58849908e93987f04b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09198",
    "kind": "arxiv",
    "version": 1
  }
}