Pith Number

pith:NEMMHBQS

pith:2018:NEMMHBQSFLL7TQLYJQK2HUD2VG

not attested not anchored not stored refs pending

Minimum star-forming halo mass in axion cosmology

James M. Sullivan, Shingo Hirano, Volker Bromm

arxiv:1809.01679 v1 · 2018-09-05 · 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{NEMMHBQSFLL7TQLYJQK2HUD2VG}

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	2026-05-18T00:06:22.218273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6918c386122ad7f9c1784c15a3d07aa98979e6de837df461d1c71449d4ad1f26

Aliases

arxiv: 1809.01679 · arxiv_version: 1809.01679v1 · doi: 10.48550/arxiv.1809.01679 · pith_short_12: NEMMHBQSFLL7 · pith_short_16: NEMMHBQSFLL7TQLY · pith_short_8: NEMMHBQS

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/NEMMHBQSFLL7TQLYJQK2HUD2VG \
  | 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: 6918c386122ad7f9c1784c15a3d07aa98979e6de837df461d1c71449d4ad1f26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7121f4282dab324bdbfc6c29d74986933f2eeca5d4769c907809e33e5cfb307f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-09-05T18:09:37Z",
    "title_canon_sha256": "482f647a4dab99ce926ea55493ac15914341c3e894d43c0f27fbed22c66126c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01679",
    "kind": "arxiv",
    "version": 1
  }
}