Pith Number

pith:7SVFHEMN

pith:2017:7SVFHEMNC4VX63TSOBEQCZD2MW

not attested not anchored not stored refs pending

Toward an initial mass function for giant planets

Anders Johansen, Daniel Carrera, Melvyn B. Davies

arxiv:1703.08647 v1 · 2017-03-25 · 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{7SVFHEMNC4VX63TSOBEQCZD2MW}

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	2026-05-18T00:15:59.392782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcaa53918d172b7f6e72704901647a65babcb33434c4f8749f1c56195f18c1e6

Aliases

arxiv: 1703.08647 · arxiv_version: 1703.08647v1 · doi: 10.48550/arxiv.1703.08647 · pith_short_12: 7SVFHEMNC4VX · pith_short_16: 7SVFHEMNC4VX63TS · pith_short_8: 7SVFHEMN

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/7SVFHEMNC4VX63TSOBEQCZD2MW \
  | 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: fcaa53918d172b7f6e72704901647a65babcb33434c4f8749f1c56195f18c1e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ba96725f2d71e51f1d06d4468149eac13e9782b96533f630051e1c267f44e39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-03-25T04:38:51Z",
    "title_canon_sha256": "7b92df62226365e296d51d3846be1a5a3220a0866e12e8eab74804529dd28801"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08647",
    "kind": "arxiv",
    "version": 1
  }
}