Pith Number

pith:BPBWP35D

pith:2015:BPBWP35DNKBFPG7KZ2GRZ5QEAA

not attested not anchored not stored refs pending

Planets in Other Universes: Habitability constraints on density fluctuations and galactic structure

Anthony M. Bloch, Fred C. Adams, Katherine R. Coppess

arxiv:1505.06158 v2 · 2015-05-22 · astro-ph.CO · 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{BPBWP35DNKBFPG7KZ2GRZ5QEAA}

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	2026-05-18T01:25:39.043338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bc367efa36a82579beace8d1cf604001041fa444869422a7d412419fdb70a95

Aliases

arxiv: 1505.06158 · arxiv_version: 1505.06158v2 · doi: 10.48550/arxiv.1505.06158 · pith_short_12: BPBWP35DNKBF · pith_short_16: BPBWP35DNKBFPG7K · pith_short_8: BPBWP35D

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/BPBWP35DNKBFPG7KZ2GRZ5QEAA \
  | 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: 0bc367efa36a82579beace8d1cf604001041fa444869422a7d412419fdb70a95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73e3d716efe39e1cd4acfe6da2eb4b06201a46a82485e9412cb6d1748484bd07",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-05-22T17:35:25Z",
    "title_canon_sha256": "813171ffcad1e133d17f65be02b37b7651c995f62d218e6a48de413beb82bb60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06158",
    "kind": "arxiv",
    "version": 2
  }
}