Pith Number

pith:CJ6P6P4Y

pith:2012:CJ6P6P4YDWUMCP6W5GODXSEK6D

not attested not anchored not stored refs pending

Ages and Metallicities of Cluster Galaxies in A779 using Modified Str\"omgren Photometry

Andrew P. Odell, Gerhard Hensler, Karl D. Rakos, Werner W. Zeilinger, Yuvraj Harsha Sreedhar

arxiv:1201.2373 v1 · 2012-01-11 · 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{CJ6P6P4YDWUMCP6W5GODXSEK6D}

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	2026-05-18T04:04:52.488057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

127cff3f981da8c13fd6e99c3bc88af0d5727ff67e5b66f816a5102f033ec179

Aliases

arxiv: 1201.2373 · arxiv_version: 1201.2373v1 · doi: 10.48550/arxiv.1201.2373 · pith_short_12: CJ6P6P4YDWUM · pith_short_16: CJ6P6P4YDWUMCP6W · pith_short_8: CJ6P6P4Y

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/CJ6P6P4YDWUMCP6W5GODXSEK6D \
  | 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: 127cff3f981da8c13fd6e99c3bc88af0d5727ff67e5b66f816a5102f033ec179

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba7a4b089e10c2d41f1b4426cb2005ab7aa1c344895a8ad1aa40dc99cd38d04d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-01-11T18:42:24Z",
    "title_canon_sha256": "bf5ba6f937caf8957c595c017a706d07b3b6791f367d8fbaee23a0da9c8fd16e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2373",
    "kind": "arxiv",
    "version": 1
  }
}