Pith Number

pith:73MEBGN2

pith:2014:73MEBGN2OLKZYMDLXTQ7B4VMZW

not attested not anchored not stored refs pending

Excitation spectrum and quasiparticles in quantum gases. A rigorous approach

Marcin Napi\'orkowski

arxiv:1409.0635 v1 · 2014-09-02 · math-ph · cond-mat.quant-gas · math.MP · 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{73MEBGN2OLKZYMDLXTQ7B4VMZW}

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	2026-05-18T02:43:46.417603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fed84099ba72d59c306bbce1f0f2accdadce6fbeb299e799d1fcc3de089483f6

Aliases

arxiv: 1409.0635 · arxiv_version: 1409.0635v1 · doi: 10.48550/arxiv.1409.0635 · pith_short_12: 73MEBGN2OLKZ · pith_short_16: 73MEBGN2OLKZYMDL · pith_short_8: 73MEBGN2

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/73MEBGN2OLKZYMDLXTQ7B4VMZW \
  | 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: fed84099ba72d59c306bbce1f0f2accdadce6fbeb299e799d1fcc3de089483f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c04fb45a9bb5b703e0d27a1ceb0fc87132eb77d5b8f80437c6bb1cc11d400435",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-09-02T08:52:46Z",
    "title_canon_sha256": "28841011766a5dc8235cdb07b5594fb7fce36e6e0e95d1337dd8a1ab8bca1268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0635",
    "kind": "arxiv",
    "version": 1
  }
}