Pith Number

pith:YFDGY5EV

pith:2012:YFDGY5EVE6YCPK3OKCOHWBLIUP

not attested not anchored not stored refs pending

The Panchromatic Hubble Andromeda Treasury III. Measuring Ages and Masses of Partially Resolved Stellar Clusters

Andrew E. Dolphin, Anil C. Seth, Ben F. Williams, Daniel R. Weisz, Dimitrios A. Gouliermis, Eric F. Bell, Evan D. Skillman, Hans-Walter Rix, Jason L. Melbourne, Jason S. Kalirai, Julianne J. Dalcanton, L. Clifton Johnson, Lori C. Beerman, Luciana C. Bianchi, Morgan Fouesneau, Nelson Caldwell, S{\o}ren S. Larsen

arxiv:1209.5395 v1 · 2012-09-24 · astro-ph.CO · 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{YFDGY5EVE6YCPK3OKCOHWBLIUP}

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	2026-05-18T01:54:19.354600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1466c749527b027ab6e509c7b0568a3eee955dba752310d97e567bbff14548a

Aliases

arxiv: 1209.5395 · arxiv_version: 1209.5395v1 · doi: 10.48550/arxiv.1209.5395 · pith_short_12: YFDGY5EVE6YC · pith_short_16: YFDGY5EVE6YCPK3O · pith_short_8: YFDGY5EV

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/YFDGY5EVE6YCPK3OKCOHWBLIUP \
  | 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: c1466c749527b027ab6e509c7b0568a3eee955dba752310d97e567bbff14548a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6657a01df653126eea5814c3483ee4d9f5816dfa70e6c5858f819f903de7bc2a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-24T20:00:03Z",
    "title_canon_sha256": "b2bebf851ea0c16fdb54b1d6cc67de4e203e2c8a394e2690d005800da51d3610"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5395",
    "kind": "arxiv",
    "version": 1
  }
}