Pith Number

pith:VCISFCX2

pith:2017:VCISFCX22JQHJSLQDLWSCVX7HO

not attested not anchored not stored refs pending

M Dwarf Exoplanet Surface Density Distribution: A Log-Normal Fit from 0.07-400 AU

Adam Amara (Institute for Astronomy, Astrophysics Research (STAR) Institute, ETH Zurich), Institute for Astronomy, Maddalena Reggiani (Space Sciences, Michael R. Meyer (Department of Astronomy, Sascha P. Quanz (Institute for Astronomy, Technologies, U. Michigan, university of liege

arxiv:1707.05256 v1 · 2017-07-17 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VCISFCX22JQHJSLQDLWSCVX7HO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:15:59.258417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a891228afad26074c9701aed2156ff3b923708cf28453e401d56ddc3d1e0bd9d

Aliases

arxiv: 1707.05256 · arxiv_version: 1707.05256v1 · doi: 10.48550/arxiv.1707.05256 · pith_short_12: VCISFCX22JQH · pith_short_16: VCISFCX22JQHJSLQ · pith_short_8: VCISFCX2

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/VCISFCX22JQHJSLQDLWSCVX7HO \
  | 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: a891228afad26074c9701aed2156ff3b923708cf28453e401d56ddc3d1e0bd9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c70a5635aa4011d51a84207fa87184ab1318d196e30d47a6feb3fda7b8f6f4da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-07-17T16:09:40Z",
    "title_canon_sha256": "353841e16b835975bef80bcae36c6aa469ee7e3d4c540c5179173d5b88b449b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05256",
    "kind": "arxiv",
    "version": 1
  }
}