Pith Number

pith:2X25AVPL

pith:2018:2X25AVPLFPX47VQGY6FHXGSZVU

not attested not anchored not stored refs pending

Absolute densities in exoplanetary systems: photodynamical modelling of Kepler-138

C. Dorn, J.M. Almenara, R.F. D\'iaz, S. Udry, X. Bonfils

arxiv:1805.12520 v1 · 2018-05-31 · 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{2X25AVPLFPX47VQGY6FHXGSZVU}

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	2026-05-18T00:14:13.414999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5f5d055eb2befcfd606c78a7b9a59ad3e40a84a9aff84d91e77db4af2b7ffc4

Aliases

arxiv: 1805.12520 · arxiv_version: 1805.12520v1 · doi: 10.48550/arxiv.1805.12520 · pith_short_12: 2X25AVPLFPX4 · pith_short_16: 2X25AVPLFPX47VQG · pith_short_8: 2X25AVPL

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/2X25AVPLFPX47VQGY6FHXGSZVU \
  | 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: d5f5d055eb2befcfd606c78a7b9a59ad3e40a84a9aff84d91e77db4af2b7ffc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c15ebf719dc1c023d9b7a7852ecc5565ab4bba2b3eef80215c1568210aa72eff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-05-31T15:36:34Z",
    "title_canon_sha256": "95e2df2142eee65eb490739697a570ce4fd44b9752d09e2bdfd78afd422e79a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12520",
    "kind": "arxiv",
    "version": 1
  }
}