Pith Number

pith:SFBZ66EQ

pith:2013:SFBZ66EQ2JQN55NPKXZLPZXX2L

not attested not anchored not stored refs pending

Substellar Objects in Nearby Young Clusters VII: The substellar mass function revisited

Aleks Scholz (St Andrews), Koraljka Muzic (ESO), Paul Clark (Heidelberg), Ray Jayawardhana (Toronto), Vincent Geers (DIAS)

arxiv:1309.0823 v1 · 2013-09-03 · astro-ph.SR · 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{SFBZ66EQ2JQN55NPKXZLPZXX2L}

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	2026-05-18T01:47:50.152565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91439f7890d260def5af55f2b7e6f7d2c995ff89e65e6cd56392c101895e8b69

Aliases

arxiv: 1309.0823 · arxiv_version: 1309.0823v1 · doi: 10.48550/arxiv.1309.0823 · pith_short_12: SFBZ66EQ2JQN · pith_short_16: SFBZ66EQ2JQN55NP · pith_short_8: SFBZ66EQ

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/SFBZ66EQ2JQN55NPKXZLPZXX2L \
  | 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: 91439f7890d260def5af55f2b7e6f7d2c995ff89e65e6cd56392c101895e8b69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93a176ac560d5f7ff9144790728338c3889588687227c4c307f06e6a4fb14055",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-03T20:00:46Z",
    "title_canon_sha256": "ecb44bf8b08c198f7e2d20e8505095784bfade361c054193bb4f7e5cfc648fbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0823",
    "kind": "arxiv",
    "version": 1
  }
}