Pith Number

pith:4DVGNFDB

pith:2016:4DVGNFDBSIUU3TXOEGDHCSL7RK

not attested not anchored not stored refs pending

WIYN Open Cluster Study. LXXII. A uvbyCa Hbeta CCD Analysis of the Metal-Deficient Open Cluster, NGC 2506

(2) Indiana Univ.), B. A. Twarog (1) ((1) Univ. of Kansas, B. J. Anthony-Twarog (1), C. P. Deliyannis (2)

arxiv:1610.04638 v1 · 2016-10-14 · 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{4DVGNFDBSIUU3TXOEGDHCSL7RK}

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	2026-05-18T00:55:40.701367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0ea66946192294dceee218671497f8aa2735ac5e2f1218faa3a12da536473df

Aliases

arxiv: 1610.04638 · arxiv_version: 1610.04638v1 · doi: 10.48550/arxiv.1610.04638 · pith_short_12: 4DVGNFDBSIUU · pith_short_16: 4DVGNFDBSIUU3TXO · pith_short_8: 4DVGNFDB

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/4DVGNFDBSIUU3TXOEGDHCSL7RK \
  | 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: e0ea66946192294dceee218671497f8aa2735ac5e2f1218faa3a12da536473df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ec4f2a3da6930b1940b1e4bc47c3adaeabcb66b1cbd037e98cbe9e92ba139ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-10-14T20:58:19Z",
    "title_canon_sha256": "8c41f8b0486905e187262cd13170065ecd0b49298b10660b53873c3fd2e0774e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04638",
    "kind": "arxiv",
    "version": 1
  }
}