Pith Number

pith:KLZMVT3W

pith:2014:KLZMVT3WJR5AVW4JVEXQBGY7LV

not attested not anchored not stored refs pending

Prospects for Detecting Oxygen, Water, and Chlorophyll on an Exo-Earth

David S. Spiegel, Timothy D. Brandt

arxiv:1404.5337 v2 · 2014-04-21 · astro-ph.EP · 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{KLZMVT3WJR5AVW4JVEXQBGY7LV}

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	2026-05-18T02:41:53.135126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52f2cacf764c7a0adb89a92f009b1f5d4ce5ed2f257bea13358909f273fe2044

Aliases

arxiv: 1404.5337 · arxiv_version: 1404.5337v2 · doi: 10.48550/arxiv.1404.5337 · pith_short_12: KLZMVT3WJR5A · pith_short_16: KLZMVT3WJR5AVW4J · pith_short_8: KLZMVT3W

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/KLZMVT3WJR5AVW4JVEXQBGY7LV \
  | 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: 52f2cacf764c7a0adb89a92f009b1f5d4ce5ed2f257bea13358909f273fe2044

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66d7429a0ca834fb0133be4c1b498bee7c3dd220f85ce4c06213c2b0c72d360b",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-04-21T21:23:20Z",
    "title_canon_sha256": "5b355db20b2e52da12ecc83d9270c14bbb2a83ee7c43a3663ce34f9ce11353a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5337",
    "kind": "arxiv",
    "version": 2
  }
}