Pith Number

pith:IHC4CTPZ

pith:2005:IHC4CTPZIFWBO7ICNZBEOKSHSC

not attested not anchored not stored refs pending

An upper limit to the masses of stars

Donald F. Figer

arxiv:astro-ph/0503193 v1 · 2005-03-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IHC4CTPZIFWBO7ICNZBEOKSHSC}

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.

Cited by

1 paper in Pith

Massquerade: Impacts of Mass Ratio Reversals on Binary Black Hole Merger Rates and Mass Distributions

Receipt and verification

First computed	2026-05-18T04:12:01.120384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41c5c14df9416c177d026e42472a4790a10f9f183ec4d465c7a4777778a9e09f

Aliases

arxiv: astro-ph/0503193 · arxiv_version: astro-ph/0503193v1 · doi: 10.48550/arxiv.astro-ph/0503193 · pith_short_12: IHC4CTPZIFWB · pith_short_16: IHC4CTPZIFWBO7IC · pith_short_8: IHC4CTPZ

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/IHC4CTPZIFWBO7ICNZBEOKSHSC \
  | 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: 41c5c14df9416c177d026e42472a4790a10f9f183ec4d465c7a4777778a9e09f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1656c1b202e846f0e38805b218b675a124ff9fd0330bb5439ffbc2c19fd21cac",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-08T20:10:02Z",
    "title_canon_sha256": "4f2d954561198e8ab1de4b20c139a7c3834f48131803ec0ff6dc905e543f80cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503193",
    "kind": "arxiv",
    "version": 1
  }
}