Pith Number

pith:WEPESSVG

pith:2011:WEPESSVGZTB4USFJWNUTVZBC2Z

not attested not anchored not stored refs pending

Spectral models of stellar populations resolved in chemical abundances

Mina Koleva, Philippe Prugniel

arxiv:1112.0513 v1 · 2011-12-02 · 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{WEPESSVGZTB4USFJWNUTVZBC2Z}

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	2026-05-18T01:59:17.826294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b11e494aa6ccc3ca48a9b3693ae422d652924c69596df7529eb65e19a5064c8e

Aliases

arxiv: 1112.0513 · arxiv_version: 1112.0513v1 · doi: 10.48550/arxiv.1112.0513 · pith_short_12: WEPESSVGZTB4 · pith_short_16: WEPESSVGZTB4USFJ · pith_short_8: WEPESSVG

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/WEPESSVGZTB4USFJWNUTVZBC2Z \
  | 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: b11e494aa6ccc3ca48a9b3693ae422d652924c69596df7529eb65e19a5064c8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c9dcabb16d646d32cfb25521c78cc0c158e40af065819b47d3d0deab8b7c4d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-02T17:19:25Z",
    "title_canon_sha256": "4f3162504ecf5df46ad1a6bc580f25309c6990a0d7187eda2d8f30c95ef2efe3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0513",
    "kind": "arxiv",
    "version": 1
  }
}