Pith Number

pith:NG6ZJZ3X

pith:2011:NG6ZJZ3XRG5DMZRDUHQLJ5LU6E

not attested not anchored not stored refs pending

Viscosity-entropy ratio of the unitary Fermi gas from zero-temperature elementary excitations

Flavio Toigo, Luca Salasnich

arxiv:1107.4552 v1 · 2011-07-22 · cond-mat.quant-gas · hep-th · 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{NG6ZJZ3XRG5DMZRDUHQLJ5LU6E}

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	2026-05-18T04:09:26.968327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69bd94e77789ba366623a1e0b4f574f114512b8c6634b2da2e3573ea46923e09

Aliases

arxiv: 1107.4552 · arxiv_version: 1107.4552v1 · doi: 10.48550/arxiv.1107.4552 · pith_short_12: NG6ZJZ3XRG5D · pith_short_16: NG6ZJZ3XRG5DMZRD · pith_short_8: NG6ZJZ3X

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/NG6ZJZ3XRG5DMZRDUHQLJ5LU6E \
  | 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: 69bd94e77789ba366623a1e0b4f574f114512b8c6634b2da2e3573ea46923e09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "941a866b60f7ebbe1847dcfd1c9caf117c209f9908f8dc3211b0b03f9feab481",
    "cross_cats_sorted": [
      "hep-th",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2011-07-22T15:47:47Z",
    "title_canon_sha256": "4c6fdcda17901effbc7b986495b25676fbaac3bdef471c035e7a7ee5e50b6f43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4552",
    "kind": "arxiv",
    "version": 1
  }
}