Pith Number

pith:NR3UOOOO

pith:2013:NR3UOOOOGUAZRUAN7FACGUOFXI

not attested not anchored not stored refs pending

Astrometric and photometric initial mass functions from the UKIDSS Galactic Clusters Survey: IV Upper Sco

2) ((1) IAC, (2) ULL, La Laguna, N. Lodieu (1, Spain, Spain), Tenerife

arxiv:1303.1351 v1 · 2013-03-06 · 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{NR3UOOOOGUAZRUAN7FACGUOFXI}

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	2026-05-18T01:51:16.232928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c774739ce350198d00df9402351c5ba0e48d4665907495694bc661f12136430

Aliases

arxiv: 1303.1351 · arxiv_version: 1303.1351v1 · doi: 10.48550/arxiv.1303.1351 · pith_short_12: NR3UOOOOGUAZ · pith_short_16: NR3UOOOOGUAZRUAN · pith_short_8: NR3UOOOO

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/NR3UOOOOGUAZRUAN7FACGUOFXI \
  | 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: 6c774739ce350198d00df9402351c5ba0e48d4665907495694bc661f12136430

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daa1e821fa55c82db9bda0f95f73e2a55f3e7bca183b714a61874b2cba5ecf75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-06T15:14:17Z",
    "title_canon_sha256": "67aa93c65409b70f3f4d6baaf206c8e214df0fd8c2233694f4d6cf0cdd6d4191"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1351",
    "kind": "arxiv",
    "version": 1
  }
}