Pith Number

pith:Y2WI3EEV

pith:2015:Y2WI3EEVLUN7P6NUSROXRTSK4Z

not attested not anchored not stored refs pending

Substellar Objects in Nearby Young Clusters (SONYC) IX: The planetary-mass domain of Chamaeleon-I and updated mass function in Lupus-3

Alexander Scholz, Koraljka Muzic, Ray Jayawardhana, Vincent C. Geers

arxiv:1507.07780 v2 · 2015-07-28 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y2WI3EEVLUN7P6NUSROXRTSK4Z}

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	2026-05-18T01:32:28.557840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6ac8d90955d1bf7f9b4945d78ce4ae64b0d43548265e37d7d37c7a9f5e47898

Aliases

arxiv: 1507.07780 · arxiv_version: 1507.07780v2 · doi: 10.48550/arxiv.1507.07780 · pith_short_12: Y2WI3EEVLUN7 · pith_short_16: Y2WI3EEVLUN7P6NU · pith_short_8: Y2WI3EEV

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/Y2WI3EEVLUN7P6NUSROXRTSK4Z \
  | 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: c6ac8d90955d1bf7f9b4945d78ce4ae64b0d43548265e37d7d37c7a9f5e47898

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0ede4952373c0eb98444e2f21af2d89692eb0b96f5a38e4bcdf24f7f239291b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-28T14:19:01Z",
    "title_canon_sha256": "f8ae40325863b172ea08d2d43576238c091dcf5bbd7a4155fa47b80197d2f287"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07780",
    "kind": "arxiv",
    "version": 2
  }
}