Pith Number

pith:FC4AFETU

pith:2015:FC4AFETUWSXPRVWVZVVYUNXZ4O

not attested not anchored not stored refs pending

Impurity in a Bose-Einstein condensate and the Efimov effect

Georg M. Bruun, Jesper Levinsen, Meera M. Parish

arxiv:1505.04530 v2 · 2015-05-18 · 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{FC4AFETUWSXPRVWVZVVYUNXZ4O}

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	2026-05-18T01:29:45.977526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28b8029274b4aef8d6d5cd6b8a36f9e3b7e58db9d94bc8e0e5204f08e1234c6c

Aliases

arxiv: 1505.04530 · arxiv_version: 1505.04530v2 · doi: 10.48550/arxiv.1505.04530 · pith_short_12: FC4AFETUWSXP · pith_short_16: FC4AFETUWSXPRVWV · pith_short_8: FC4AFETU

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/FC4AFETUWSXPRVWVZVVYUNXZ4O \
  | 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: 28b8029274b4aef8d6d5cd6b8a36f9e3b7e58db9d94bc8e0e5204f08e1234c6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "664b5dc5ede55dc124c53a9e264ffef6183c9df6e4d9a78ee82a87dc00a052c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2015-05-18T07:01:29Z",
    "title_canon_sha256": "06e3eaacc6e1a1c395a2ec43ae83d446d42a20be3858f1e7289168c12f476776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04530",
    "kind": "arxiv",
    "version": 2
  }
}