Pith Number

pith:CXNQE3WC

pith:2019:CXNQE3WCJGDDH6DITCU6QGHZWH

not attested not anchored not stored refs pending

Coupling between superfluid neutrons and superfluid protons in the elementary excitations of neutron star matter

C. Ducoin, M. Baldo

arxiv:1901.07550 v1 · 2019-01-22 · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CXNQE3WCJGDDH6DITCU6QGHZWH}

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	2026-05-17T23:52:38.258577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15db026ec2498633f86898a9e818f9b1c2d6fbf2f2e030c4e7683dd9a59aba09

Aliases

arxiv: 1901.07550 · arxiv_version: 1901.07550v1 · doi: 10.48550/arxiv.1901.07550 · pith_short_12: CXNQE3WCJGDD · pith_short_16: CXNQE3WCJGDDH6DI · pith_short_8: CXNQE3WC

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/CXNQE3WCJGDDH6DITCU6QGHZWH \
  | 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: 15db026ec2498633f86898a9e818f9b1c2d6fbf2f2e030c4e7683dd9a59aba09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef7a06180765778fdb04e5b817e4ff1be6d17d58c33208fe0c48165e27540d77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2019-01-22T11:31:28Z",
    "title_canon_sha256": "e4e2f923506011bc752033c200e5357be79db9cbe1e87c984f2f752df0bad3f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07550",
    "kind": "arxiv",
    "version": 1
  }
}