Pith Number

pith:XQBAW2PG

pith:2012:XQBAW2PGK5HFA6MROIGFAVOO3B

not attested not anchored not stored refs pending

Astrometric and photometric initial mass functions from the UKIDSS Galactic Clusters Survey: I The Pleiades

2), (3) Max-Planck-Institut, (4) University of Edinburgh, Germany, Heidelberg, N. C. Hambly (4) ((1) IAC, N. Deacon (3), N. Lodieu (1, Spain, Spain (2) ULL, Tenerife, UK)

arxiv:1204.2659 v1 · 2012-04-12 · 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{XQBAW2PGK5HFA6MROIGFAVOO3B}

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	2026-05-18T01:57:53.220112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc020b69e6574e507991720c5055ced84ef2b7220f6f651efda68ce640a5bfeb

Aliases

arxiv: 1204.2659 · arxiv_version: 1204.2659v1 · doi: 10.48550/arxiv.1204.2659 · pith_short_12: XQBAW2PGK5HF · pith_short_16: XQBAW2PGK5HFA6MR · pith_short_8: XQBAW2PG

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/XQBAW2PGK5HFA6MROIGFAVOO3B \
  | 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: bc020b69e6574e507991720c5055ced84ef2b7220f6f651efda68ce640a5bfeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c269659ab17d7f773e3fb3e24ea0b39da6e50dc78719276854750b99c75eb757",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-12T08:59:41Z",
    "title_canon_sha256": "e02849a97647d32f73dadf39c971789c39bfb404ca9cf83e8f73b3f30c4197f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2659",
    "kind": "arxiv",
    "version": 1
  }
}