Pith Number

pith:NFFFOOUJ

pith:2015:NFFFOOUJ35W5Y4QEKQ3VJHOMS3

not attested not anchored not stored refs pending

Thermal blurring of a coherent Fermi gas

Alice Sinatra (LKB (Lhomond)), Hadrien Kurkjian (LKB (Lhomond)), Yvan Castin (LKB (Lhomond))

arxiv:1502.05644 v4 · 2015-02-19 · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NFFFOOUJ35W5Y4QEKQ3VJHOMS3}

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	2026-05-18T01:05:46.416398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

694a573a89df6ddc72045437549dcc96e303d2eeaff97a0137b75127b842212b

Aliases

arxiv: 1502.05644 · arxiv_version: 1502.05644v4 · doi: 10.48550/arxiv.1502.05644 · pith_short_12: NFFFOOUJ35W5 · pith_short_16: NFFFOOUJ35W5Y4QE · pith_short_8: NFFFOOUJ

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/NFFFOOUJ35W5Y4QEKQ3VJHOMS3 \
  | 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: 694a573a89df6ddc72045437549dcc96e303d2eeaff97a0137b75127b842212b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "340b5170f3ca8431e67e8cddb4eddf7f57b8032339072aea8d1e18b61e4ea621",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2015-02-19T17:34:13Z",
    "title_canon_sha256": "8b19238957acd4dc9bda6e97e34d1385fe03ca485c6dd6014c0a86450248a488"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05644",
    "kind": "arxiv",
    "version": 4
  }
}