Pith Number

pith:VJPJLO25

pith:2010:VJPJLO254GVK2U6YHHSX5JOTUG

not attested not anchored not stored refs pending

A statistical method to determine open cluster metallicities

Ernst Paunzen, Harald Poehnl

arxiv:1002.4503 v1 · 2010-02-24 · astro-ph.GA · 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{VJPJLO254GVK2U6YHHSX5JOTUG}

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	2026-05-18T02:08:57.392927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa5e95bb5de1aaad53d839e57ea5d3a1a171f1ddf2831a33afb20ebf1dc96e91

Aliases

arxiv: 1002.4503 · arxiv_version: 1002.4503v1 · doi: 10.48550/arxiv.1002.4503 · pith_short_12: VJPJLO254GVK · pith_short_16: VJPJLO254GVK2U6Y · pith_short_8: VJPJLO25

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/VJPJLO254GVK2U6YHHSX5JOTUG \
  | 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: aa5e95bb5de1aaad53d839e57ea5d3a1a171f1ddf2831a33afb20ebf1dc96e91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50d86a5acc257c453176b57756108b135cacdfaf8c80501b10bd6f80abb069cb",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-02-24T09:50:19Z",
    "title_canon_sha256": "b43468f27154eaa5982717c4069a5a7a38e6d0c0b0cad407e4126cc9338b31a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4503",
    "kind": "arxiv",
    "version": 1
  }
}