Pith Number

pith:S62KIPF5

pith:2010:S62KIPF5Z2ZLJ4SH2535LQWXNH

not attested not anchored not stored refs pending

The substellar mass function in the central region of the open cluster Praesepe from deep LBT observations

B. Goldman, C. A. L. Bailer-Jones, J. A. Caballero, S. Boudreault, Th. Henning, W. Wang

arxiv:1010.4091 v1 · 2010-10-20 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S62KIPF5Z2ZLJ4SH2535LQWXNH}

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	2026-05-18T04:38:59.829126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97b4a43cbdceb2b4f247d777d5c2d769de7abf594c25aed663e2ab4e2edfc8e3

Aliases

arxiv: 1010.4091 · arxiv_version: 1010.4091v1 · doi: 10.48550/arxiv.1010.4091 · pith_short_12: S62KIPF5Z2ZL · pith_short_16: S62KIPF5Z2ZLJ4SH · pith_short_8: S62KIPF5

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/S62KIPF5Z2ZLJ4SH2535LQWXNH \
  | 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: 97b4a43cbdceb2b4f247d777d5c2d769de7abf594c25aed663e2ab4e2edfc8e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd2b89951fd106ef229cc2c7a3f27afee64ec541157e3aa1b5ca2136a67af42f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-10-20T03:01:44Z",
    "title_canon_sha256": "fc01793d4dbdcb37d5ae97453cfeef6529311056291db007ee9af5e57f83046c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4091",
    "kind": "arxiv",
    "version": 1
  }
}