Pith Number

pith:NIHF5PNS

pith:2010:NIHF5PNSFMD7JLSJE5XALKEXXY

not attested not anchored not stored refs pending

Modelling realistic horizontal branch morphologies and their impact on spectroscopic ages of unresolved stellar systems

Maurizio Salaris, Susan M. Percival

arxiv:1012.0004 v1 · 2010-11-30 · astro-ph.CO · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NIHF5PNSFMD7JLSJE5XALKEXXY}

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	2026-05-18T02:04:37.030955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a0e5ebdb22b07f4ae49276e05a897be03be8d6f12f2335a9d2738fe43857440

Aliases

arxiv: 1012.0004 · arxiv_version: 1012.0004v1 · doi: 10.48550/arxiv.1012.0004 · pith_short_12: NIHF5PNSFMD7 · pith_short_16: NIHF5PNSFMD7JLSJ · pith_short_8: NIHF5PNS

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/NIHF5PNSFMD7JLSJE5XALKEXXY \
  | 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: 6a0e5ebdb22b07f4ae49276e05a897be03be8d6f12f2335a9d2738fe43857440

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a7c62fd23f7dd93c68833ee04f4de78ef29d54c504f58ffd1fc1d648595c1dc",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-30T21:00:16Z",
    "title_canon_sha256": "861d0049b314f76709230ddc41a64a82c22ba4f3c2c6d99f5a27a00daca6bd40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0004",
    "kind": "arxiv",
    "version": 1
  }
}