Pith Number

pith:ZEWDHUTI

pith:2019:ZEWDHUTIITNKG6DGVE6Z7K7G7N

not attested not anchored not stored refs pending

A Limited Habitable Zone for Complex Life

Chester E. Harman, Christopher T. Reinhard, Edward W. Schwieterman, Stephanie L. Olson, Timothy W. Lyons

arxiv:1902.04720 v2 · 2019-02-13 · 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{ZEWDHUTIITNKG6DGVE6Z7K7G7N}

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	2026-05-17T23:43:49.900721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c92c33d26844daa37866a93d9fabe6fb4b8bb1ecdbe848d14d81d9cf94dae7cc

Aliases

arxiv: 1902.04720 · arxiv_version: 1902.04720v2 · doi: 10.48550/arxiv.1902.04720 · pith_short_12: ZEWDHUTIITNK · pith_short_16: ZEWDHUTIITNKG6DG · pith_short_8: ZEWDHUTI

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/ZEWDHUTIITNKG6DGVE6Z7K7G7N \
  | 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: c92c33d26844daa37866a93d9fabe6fb4b8bb1ecdbe848d14d81d9cf94dae7cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be5317b697f3e711c967de3efd0d2d56290dd18acc532a6f03dab8ccc35018d0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-02-13T02:56:36Z",
    "title_canon_sha256": "05d67c73861eb9311a810f43c1fe8dfebcf30f61cae3d020d1707a3d9684029a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04720",
    "kind": "arxiv",
    "version": 2
  }
}