Pith Number

pith:I44UAOAI

pith:2010:I44UAOAIVFKKW576ZEHJQGXZMM

not attested not anchored not stored refs pending

Colour-magnitude diagrams, probabilistic synthesis models and the upper mass limit of the initial mass function

Carlos Roman-Zuniga, David Valls-Gabaud, Enrique Perez, Miguel Cervino, Nestor Sanchez

arxiv:1010.3022 v1 · 2010-10-14 · 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{I44UAOAIVFKKW576ZEHJQGXZMM}

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	2026-05-18T03:49:45.993617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4739403808a954ab77fec90e981af96318f441d42433a5cc1952b1c368f44dd9

Aliases

arxiv: 1010.3022 · arxiv_version: 1010.3022v1 · doi: 10.48550/arxiv.1010.3022 · pith_short_12: I44UAOAIVFKK · pith_short_16: I44UAOAIVFKKW576 · pith_short_8: I44UAOAI

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/I44UAOAIVFKKW576ZEHJQGXZMM \
  | 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: 4739403808a954ab77fec90e981af96318f441d42433a5cc1952b1c368f44dd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69a03cfd36bd5cc8246b470ebd08ad941d9e64741994970b235c1d4301c65e48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-14T20:12:49Z",
    "title_canon_sha256": "39b2a71622dcd2296e37e626923333f7f72897acb0f6c00bd938586a6515a952"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.3022",
    "kind": "arxiv",
    "version": 1
  }
}