Pith Number

pith:ERYPHFRL

pith:2019:ERYPHFRLTUIOGVPCSDZYVJLINS

not attested not anchored not stored refs pending

Light Dark Matter and Superfluid He-4 from EFT

Andrea Caputo, Angelo Esposito, Antonio D. Polosa

arxiv:1911.07867 v1 · 2019-11-18 · hep-ph · 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{ERYPHFRLTUIOGVPCSDZYVJLINS}

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	2026-07-05T01:04:07.329324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2470f3962b9d10e355e290f38aa5686cb883ca035399cc020ef4582f07f8f07a

Aliases

arxiv: 1911.07867 · arxiv_version: 1911.07867v1 · doi: 10.48550/arxiv.1911.07867 · pith_short_12: ERYPHFRLTUIO · pith_short_16: ERYPHFRLTUIOGVPC · pith_short_8: ERYPHFRL

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/ERYPHFRLTUIOGVPCSDZYVJLINS \
  | 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: 2470f3962b9d10e355e290f38aa5686cb883ca035399cc020ef4582f07f8f07a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c43880ac7cd902282a70837cabbd4f0e61efc526f8c27dadc406efc7ce77eda",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2019-11-18T19:00:08Z",
    "title_canon_sha256": "a3ce629155b737f5e60615d395e87374be0591c1f31eb7806ae738db8c8a5d83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.07867",
    "kind": "arxiv",
    "version": 1
  }
}