Pith Number

pith:NPAA7THC

pith:2018:NPAA7THCUKCH5FG5QLAZSHTEBJ

not attested not anchored not stored refs pending

Life Beyond the Solar System: Observation and Modeling of Exoplanet Environments

Andrew Rushby, Anthony del Genio, Daniel Apai, Dave Brain, Dawn Gelino, Jonathan J. Fortney, Natalie Batalha, Shawn Domagal-Goldman, Vladimir Airapetian, Wade Henning, William Danchi

arxiv:1801.07810 v1 · 2018-01-23 · 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{NPAA7THCUKCH5FG5QLAZSHTEBJ}

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	2026-05-18T00:25:10.778295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bc00fcce2a2847e94dd82c1991e640a5cf23cbde783cdc00f5504bcfea892de

Aliases

arxiv: 1801.07810 · arxiv_version: 1801.07810v1 · doi: 10.48550/arxiv.1801.07810 · pith_short_12: NPAA7THCUKCH · pith_short_16: NPAA7THCUKCH5FG5 · pith_short_8: NPAA7THC

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/NPAA7THCUKCH5FG5QLAZSHTEBJ \
  | 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: 6bc00fcce2a2847e94dd82c1991e640a5cf23cbde783cdc00f5504bcfea892de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24d3f656c354bd7cde68da9bc1540720f57a79605efe7f0362a05179f83ce6dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-01-23T23:34:19Z",
    "title_canon_sha256": "5088f43593e359bb135bc9a863b65c0310d9832b8fe72285b228ba64b1077a20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07810",
    "kind": "arxiv",
    "version": 1
  }
}