Pith Number

pith:BGAQTLEY

pith:2012:BGAQTLEY5OHEZELYB6FOLHYJW7

not attested not anchored not stored refs pending

Astrometric and photometric mass functions of the old open cluster Praesepe from the UKIDSS GCS

2), (2) Universidad de La Laguna, (3) Max-Planck-Institute fur Astronomie, (4) University of Edinburgh), N. C. Hambly (4) ((1) Instituto de Astrofisica de Canarias, N. Lodieu (1, N. R. Deacon (3), S. Boudreault (1

arxiv:1207.4040 v1 · 2012-07-17 · 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{BGAQTLEY5OHEZELYB6FOLHYJW7}

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	2026-05-18T03:50:49.180708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

098109ac98eb8e4c91780f8ae59f09b7e1117bd5cf084c8ea12e1de62254bfb4

Aliases

arxiv: 1207.4040 · arxiv_version: 1207.4040v1 · doi: 10.48550/arxiv.1207.4040 · pith_short_12: BGAQTLEY5OHE · pith_short_16: BGAQTLEY5OHEZELY · pith_short_8: BGAQTLEY

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/BGAQTLEY5OHEZELYB6FOLHYJW7 \
  | 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: 098109ac98eb8e4c91780f8ae59f09b7e1117bd5cf084c8ea12e1de62254bfb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85b0d5b52ffdfecc6bac3680a34f37de7726c415276170b8a57a6f92e531dab5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-17T15:52:03Z",
    "title_canon_sha256": "a2a0b31bf1ad8d0c3a06d001cd661348c46e1f6c61b67f4bd854f4052101423f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4040",
    "kind": "arxiv",
    "version": 1
  }
}