Pith Number

pith:R54FHATP

pith:2011:R54FHATP4FUGXAFX4NBHOXEYVY

not attested not anchored not stored refs pending

Potential Biosignatures in Super-Earth Atmospheres

A. Belu, F. Schreier, F. Selsis, H. Rauer, J. Cabrera, J.L. Grenfell, M. Godolt, P. Hedelt, P. v. Paris, S. Gebauer

arxiv:1102.0867 v2 · 2011-02-04 · 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{R54FHATP4FUGXAFX4NBHOXEYVY}

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	2026-05-18T04:28:38.843482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f7853826fe1686b80b7e342775c98ae14073bc0db2bcf81aba16b13ab8e9ea9

Aliases

arxiv: 1102.0867 · arxiv_version: 1102.0867v2 · doi: 10.48550/arxiv.1102.0867 · pith_short_12: R54FHATP4FUG · pith_short_16: R54FHATP4FUGXAFX · pith_short_8: R54FHATP

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/R54FHATP4FUGXAFX4NBHOXEYVY \
  | 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: 8f7853826fe1686b80b7e342775c98ae14073bc0db2bcf81aba16b13ab8e9ea9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2851b79203b3d5a667c93a5891e32d0cecd8b547cb61650348a4c1cda890690c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-02-04T10:05:46Z",
    "title_canon_sha256": "048c4658ae9b147c9a5d811dd33d40324368fba424ba3bd177acd91e7a9aef6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0867",
    "kind": "arxiv",
    "version": 2
  }
}