Pith Number

pith:SPRBIWDH

pith:2013:SPRBIWDHETQJ27YUB5VWHORE5K

not attested not anchored not stored refs pending

POPSTAR Evolutionary Synthesis Models III: Photometric properties of young star clusters and mixed populations

M.L. Garc\'ia-Vargas, M.L. Mart\'in-Manj\'on, M. Moll\'a

arxiv:1304.3374 v1 · 2013-04-11 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPRBIWDHETQJ27YUB5VWHORE5K}

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	2026-05-18T01:50:33.784723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93e214586724e09d7f140f6b63ba24eab069451951eb2e200cec33a2c73fb732

Aliases

arxiv: 1304.3374 · arxiv_version: 1304.3374v1 · doi: 10.48550/arxiv.1304.3374 · pith_short_12: SPRBIWDHETQJ · pith_short_16: SPRBIWDHETQJ27YU · pith_short_8: SPRBIWDH

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/SPRBIWDHETQJ27YUB5VWHORE5K \
  | 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: 93e214586724e09d7f140f6b63ba24eab069451951eb2e200cec33a2c73fb732

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd4300c86faa98db22d548327fe6324603391d10ac6c4bd488f9c76ccd940fb4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-11T17:10:21Z",
    "title_canon_sha256": "6adab3af5e77478db5cb249d16e55a8c2eaee4564fd701687c9546737bb4278a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3374",
    "kind": "arxiv",
    "version": 1
  }
}