Pith Number

pith:4IPYBRFN

pith:2016:4IPYBRFNQ24T3ML3OX5QAYNNUN

not attested not anchored not stored refs pending

The Pale Orange Dot: The Spectrum and Habitability of Hazy Archean Earth

Benjamin Charnay, Edward Schwieterman, Eric H\'ebrard, Eric T. Wolf, Giada Arney, Mark Claire, Melissa G. Trainer, Shawn D. Domagal-Goldman, Victoria S. Meadows

arxiv:1610.04515 v1 · 2016-10-14 · 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{4IPYBRFNQ24T3ML3OX5QAYNNUN}

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	2026-05-18T00:55:40.719586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e21f80c4ad86b93db17b75fb0061ada37f0dbfb3d0627dd0663d1d0371671041

Aliases

arxiv: 1610.04515 · arxiv_version: 1610.04515v1 · doi: 10.48550/arxiv.1610.04515 · pith_short_12: 4IPYBRFNQ24T · pith_short_16: 4IPYBRFNQ24T3ML3 · pith_short_8: 4IPYBRFN

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/4IPYBRFNQ24T3ML3OX5QAYNNUN \
  | 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: e21f80c4ad86b93db17b75fb0061ada37f0dbfb3d0627dd0663d1d0371671041

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d5154c63049c2282324ffd32f5eebc5c52ff25f8ed9c9031a607aecd482faf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-10-14T16:08:28Z",
    "title_canon_sha256": "70e3514a0d34d85aee9c67a4ee18150aad22c0b45b1fdf8b9fce7c9fd3a0b99b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04515",
    "kind": "arxiv",
    "version": 1
  }
}