Pith Number

pith:33IPPP6O

pith:2001:33IPPP6OKOVAOEHVBQER2VJF3B

not attested not anchored not stored refs pending

The Substellar Mass Function in sigma Orionis

C. A. L. Bailer-Jones, D. Barrado y Navascues, E. L. Martin, F. Allard, G. Chabrier, I. Baraffe, M. R. Zapatero Osorio, R. Mundt, R. Rebolo, V. J. S. Bejar

arxiv:astro-ph/0104097 v1 · 2001-04-05 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33IPPP6OKOVAOEHVBQER2VJF3B}

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	2026-05-18T04:23:01.353517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ded0f7bfce53aa0710f50c091d5525d87d84d72330dffa00ff2f99d016295822

Aliases

arxiv: astro-ph/0104097 · arxiv_version: astro-ph/0104097v1 · doi: 10.48550/arxiv.astro-ph/0104097 · pith_short_12: 33IPPP6OKOVA · pith_short_16: 33IPPP6OKOVAOEHV · pith_short_8: 33IPPP6O

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/33IPPP6OKOVAOEHVBQER2VJF3B \
  | 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: ded0f7bfce53aa0710f50c091d5525d87d84d72330dffa00ff2f99d016295822

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf1235aa0d254c1c86bfa70fa996e499ee698d0022401e7269ac3b41aa08b3ca",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-04-05T00:44:57Z",
    "title_canon_sha256": "894d6328035de1d698e77a14198fb4c9c215f440ae1614d9588f7b2ceaf05524"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0104097",
    "kind": "arxiv",
    "version": 1
  }
}