Pith Number

pith:5YZ2AY6H

pith:2018:5YZ2AY6HW36WMGEEOSUCOFRR2K

not attested not anchored not stored refs pending

A Novel Exoplanetary Habitability Score via Particle Swarm Optimization of CES Production Functions

Abhijit Theophilus, Jayant Murthy, Snehanshu Saha, Suryoday Basak

arxiv:1805.08858 v2 · 2018-05-22 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5YZ2AY6HW36WMGEEOSUCOFRR2K}

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	2026-05-18T00:14:53.134161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee33a063c7b6fd66188474a8271631d2a7e17199ad71e97ad7daa0db30b51bd6

Aliases

arxiv: 1805.08858 · arxiv_version: 1805.08858v2 · doi: 10.48550/arxiv.1805.08858 · pith_short_12: 5YZ2AY6HW36W · pith_short_16: 5YZ2AY6HW36WMGEE · pith_short_8: 5YZ2AY6H

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/5YZ2AY6HW36WMGEEOSUCOFRR2K \
  | 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: ee33a063c7b6fd66188474a8271631d2a7e17199ad71e97ad7daa0db30b51bd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01dc34f97a0894dfeb8d90e5cb349fac90fe799bcced59b9b64fe689eab29ca2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-05-22T20:44:18Z",
    "title_canon_sha256": "5ca693a7b07dbb230ad04623533091240148f66233b79ce91f1d84217b359a5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08858",
    "kind": "arxiv",
    "version": 2
  }
}