Pith Number

pith:N3NPPRM3

pith:2016:N3NPPRM3AKL4O7A6FM3CPUCOOA

not attested not anchored not stored refs pending

Hydrogen Axion Star: Metallic Hydrogen Bound to a QCD Axion BEC

Joshua Berger, Vernon Barger, Yang Bai

arxiv:1612.00438 v1 · 2016-12-01 · hep-ph · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N3NPPRM3AKL4O7A6FM3CPUCOOA}

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	2026-05-18T00:51:41.837487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6edaf7c59b0297c77c1e2b3627d04e7011a6867dd045cebd1c583ea20003f68f

Aliases

arxiv: 1612.00438 · arxiv_version: 1612.00438v1 · doi: 10.48550/arxiv.1612.00438 · pith_short_12: N3NPPRM3AKL4 · pith_short_16: N3NPPRM3AKL4O7A6 · pith_short_8: N3NPPRM3

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/N3NPPRM3AKL4O7A6FM3CPUCOOA \
  | 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: 6edaf7c59b0297c77c1e2b3627d04e7011a6867dd045cebd1c583ea20003f68f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67cd52c3a9a1f839b7792b24690156098a0f1c974ae7027d8aea5aa24c4bcfd1",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2016-12-01T20:58:23Z",
    "title_canon_sha256": "30f1ded81d207674d3a61c3609748d22854275cd29bda756e47a01c1e11275df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00438",
    "kind": "arxiv",
    "version": 1
  }
}