Pith Number

pith:IX66HDD5

pith:2004:IX66HDD5OE6OTY7WLTSH3SEQ3K

not attested not anchored not stored refs pending

The massive star IMF at high metallicity

Fabio Bresolin (Institute for Astronomy, Hawaii)

arxiv:astro-ph/0408532 v1 · 2004-08-28 · 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{IX66HDD5OE6OTY7WLTSH3SEQ3K}

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	2026-05-18T01:27:16.621827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45fde38c7d713ce9e3f65ce47dc890da8d5beb2a81d9c7b610cf88f8a2307c5e

Aliases

arxiv: astro-ph/0408532 · arxiv_version: astro-ph/0408532v1 · doi: 10.48550/arxiv.astro-ph/0408532 · pith_short_12: IX66HDD5OE6O · pith_short_16: IX66HDD5OE6OTY7W · pith_short_8: IX66HDD5

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/IX66HDD5OE6OTY7WLTSH3SEQ3K \
  | 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: 45fde38c7d713ce9e3f65ce47dc890da8d5beb2a81d9c7b610cf88f8a2307c5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4e6f23c92c17c352bf41f5f83ae2b6ecf6fd030ad50bab93ff2204887282745",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-28T00:51:17Z",
    "title_canon_sha256": "2bad34c2b79b31a1dc8889491520c1490e05c7e1fc9b0e0e223b9476146c909a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408532",
    "kind": "arxiv",
    "version": 1
  }
}