Pith Number

pith:2DEIEXYC

pith:2011:2DEIEXYCQM6EKVBHYXGWDCBWCH

not attested not anchored not stored refs pending

The possibility of determining open-cluster parameters from BVRI photometry

Hektor Monteiro, Wilton S. Dias

arxiv:1103.3446 v1 · 2011-03-17 · astro-ph.IM · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DEIEXYCQM6EKVBHYXGWDCBWCH}

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	2026-05-18T02:02:50.275559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0c8825f02833c455427c5cd61883611de937cc4d6b20341e1662724ffe29b49

Aliases

arxiv: 1103.3446 · arxiv_version: 1103.3446v1 · doi: 10.48550/arxiv.1103.3446 · pith_short_12: 2DEIEXYCQM6E · pith_short_16: 2DEIEXYCQM6EKVBH · pith_short_8: 2DEIEXYC

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/2DEIEXYCQM6EKVBHYXGWDCBWCH \
  | 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: d0c8825f02833c455427c5cd61883611de937cc4d6b20341e1662724ffe29b49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24f2351ac512d8cd4999230db7a76cc41fa8bab3af8e375d67d9b5ef6f39bd40",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-03-17T16:03:37Z",
    "title_canon_sha256": "5fb4cb18524bd9c79606d99bcfcdedd578f54d0fe12287d039bc819a26a5edc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3446",
    "kind": "arxiv",
    "version": 1
  }
}