Pith Number

pith:JEE4IUVC

pith:2012:JEE4IUVCQQRQC2X4WRRT26UWG3

not attested not anchored not stored refs pending

Astrometric and photometric initial mass functions from the UKIDSS Galactic Clusters Survey: II The Alpha Persei open cluster

2), 2) ((1) IAC, (2) ULL, (3) MPIA Heidelberg, (4) ROE Edinburgh, Germany, La Laguna, N. C. Hambly (4), N. Lodieu (1, N. R. Deacon (3), S. Boudreault (1, Spain, Tenerife, UK)

arxiv:1207.6978 v1 · 2012-07-30 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JEE4IUVCQQRQC2X4WRRT26UWG3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:56:06.038117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4909c452a28423016afcb4633d7a9636fbf8942457111d1225742c74b09078fe

Aliases

arxiv: 1207.6978 · arxiv_version: 1207.6978v1 · doi: 10.48550/arxiv.1207.6978 · pith_short_12: JEE4IUVCQQRQ · pith_short_16: JEE4IUVCQQRQC2X4 · pith_short_8: JEE4IUVC

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/JEE4IUVCQQRQC2X4WRRT26UWG3 \
  | 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: 4909c452a28423016afcb4633d7a9636fbf8942457111d1225742c74b09078fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc2e8709bb1a1c1f90bfec3846fce9c2f4a873dc4195d909080dc3b36bb35243",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-30T15:53:16Z",
    "title_canon_sha256": "e731203a1fb441ddcb6156490059397dabf66855c6db8e1bc0f468e864f9bda1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6978",
    "kind": "arxiv",
    "version": 1
  }
}