Pith Number

pith:664JLTVZ

pith:2019:664JLTVZKXC24HXRBG74EOBAEM

not attested not anchored not stored refs pending

Sub-GeV Dark Matter in Superfluid He-4: an Effective Theory Approach

Angelo Esposito, Antonio D. Polosa, Francesca Acanfora

arxiv:1902.02361 v2 · 2019-02-06 · hep-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{664JLTVZKXC24HXRBG74EOBAEM}

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	2026-05-17T23:41:45.127299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7b895ceb955c5ae1ef109bfc23820230726568da745c404c94b58a29f626986

Aliases

arxiv: 1902.02361 · arxiv_version: 1902.02361v2 · doi: 10.48550/arxiv.1902.02361 · pith_short_12: 664JLTVZKXC2 · pith_short_16: 664JLTVZKXC24HXR · pith_short_8: 664JLTVZ

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/664JLTVZKXC24HXRBG74EOBAEM \
  | 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: f7b895ceb955c5ae1ef109bfc23820230726568da745c404c94b58a29f626986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98871a4e6edfa5ffb6ec3cb572dce25967730706db3acf51a38416d5fbddf024",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2019-02-06T19:03:33Z",
    "title_canon_sha256": "9a3bb3ff1dc0561ca3bcae03e5f6684ca06bf0657c53f2bb14ba9cda7080233b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02361",
    "kind": "arxiv",
    "version": 2
  }
}