Pith Number

pith:J3JNY4FS

pith:2010:J3JNY4FSQH6TZSROZ5DKVP3JWE

not attested not anchored not stored refs pending

Do sub-millimeter galaxy number counts provide evidence for a top-heavy IMF?

Christopher C. Hayward, Desika Narayanan, Du\v{s}an Kere\v{s}, Lars Hernquist, Patrik Jonsson, Philip F. Hopkins, T. J. Cox

arxiv:1008.4584 v2 · 2010-08-26 · 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{J3JNY4FSQH6TZSROZ5DKVP3JWE}

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	2026-05-18T04:41:36.446923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ed2dc70b281fd3cca2ecf46aabf69b11e6904833b90010708cb91c39c163526

Aliases

arxiv: 1008.4584 · arxiv_version: 1008.4584v2 · doi: 10.48550/arxiv.1008.4584 · pith_short_12: J3JNY4FSQH6T · pith_short_16: J3JNY4FSQH6TZSRO · pith_short_8: J3JNY4FS

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/J3JNY4FSQH6TZSROZ5DKVP3JWE \
  | 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: 4ed2dc70b281fd3cca2ecf46aabf69b11e6904833b90010708cb91c39c163526

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40d6aa5959e26ac1baebbbd355ee04f88f245d7a8d0bddd2227f9beea6a09a10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-26T20:01:05Z",
    "title_canon_sha256": "ed85b0f2247f4ad610788261b1720a0f2f2d8fbc3c5ae2bcead875758de8cb01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4584",
    "kind": "arxiv",
    "version": 2
  }
}