Pith Number

pith:WQTSL3HH

pith:2011:WQTSL3HHGCV6TBRO2BIGIB2W6B

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

Bertrand Goldman, Coryn A.L. Bailer-Jones, Jose A. Caballero, Steve Boudreault, Thomas Henning, Wei Wang

arxiv:1105.5682 v2 · 2011-05-28 · 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{WQTSL3HHGCV6TBRO2BIGIB2W6B}

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	2026-05-18T02:01:46.887277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b42725ece730abe9862ed050640756f05ead0d0d236c563a24d6e72b64f8c683

Aliases

arxiv: 1105.5682 · arxiv_version: 1105.5682v2 · doi: 10.48550/arxiv.1105.5682 · pith_short_12: WQTSL3HHGCV6 · pith_short_16: WQTSL3HHGCV6TBRO · pith_short_8: WQTSL3HH

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/WQTSL3HHGCV6TBRO2BIGIB2W6B \
  | 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: b42725ece730abe9862ed050640756f05ead0d0d236c563a24d6e72b64f8c683

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b4b24a1b1efe9d72d0a61f01d1c94b06c3723e00252b1867c2427b5772c4f7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-28T04:08:59Z",
    "title_canon_sha256": "fc01793d4dbdcb37d5ae97453cfeef6529311056291db007ee9af5e57f83046c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5682",
    "kind": "arxiv",
    "version": 2
  }
}