Pith Number

pith:CV4KP5GI

pith:2018:CV4KP5GIYEEMAYTOMKMP47KHF5

not attested not anchored not stored refs pending

Observation of phonon parametric down-conversion in a spherical Bose-Einstein condensate

Dongfang Zhang, Jian-Song Pan, Kaijun Jiang, Lingran Kong, Mingsheng Zhan, Ruizong Li, Shi-Guo Peng, Tianyou Gao, W. Vincent Liu, Xiaolong Chen, Xing Shen

arxiv:1805.04727 v2 · 2018-05-12 · cond-mat.quant-gas · physics.atom-ph · quant-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{CV4KP5GIYEEMAYTOMKMP47KHF5}

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	2026-05-18T00:09:52.272416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1578a7f4c8c108c0626e6298fe7d472f7af81e496cb6b8475920da9e3a83ba9d

Aliases

arxiv: 1805.04727 · arxiv_version: 1805.04727v2 · doi: 10.48550/arxiv.1805.04727 · pith_short_12: CV4KP5GIYEEM · pith_short_16: CV4KP5GIYEEMAYTO · pith_short_8: CV4KP5GI

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/CV4KP5GIYEEMAYTOMKMP47KHF5 \
  | 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: 1578a7f4c8c108c0626e6298fe7d472f7af81e496cb6b8475920da9e3a83ba9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4f3a0ae2d64ba8ba6ab9b501540bfcd7799324d76c7619c7a8cc1ee5afad4f4",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2018-05-12T14:31:54Z",
    "title_canon_sha256": "3811f7d232c66ac403baafafbc8c87b0ed73f9f5298241e22629eed389085053"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04727",
    "kind": "arxiv",
    "version": 2
  }
}