Pith Number

pith:37OAVQY5

pith:2009:37OAVQY5B4Y7HQV7RRP6MCSXNS

not attested not anchored not stored refs pending

Feynman path-integral treatment of the BEC-impurity polaron

E. Timmermans, J.T. Devreese, J. Tempere, M.K. Oberthaler, W. Casteels

arxiv:0906.4455 v2 · 2009-06-24 · 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{37OAVQY5B4Y7HQV7RRP6MCSXNS}

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	2026-05-18T02:55:39.723996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfdc0ac31d0f31f3c2bf8c5fe60a576ca8a74278babfed195eda9c0caf0ad488

Aliases

arxiv: 0906.4455 · arxiv_version: 0906.4455v2 · doi: 10.48550/arxiv.0906.4455 · pith_short_12: 37OAVQY5B4Y7 · pith_short_16: 37OAVQY5B4Y7HQV7 · pith_short_8: 37OAVQY5

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/37OAVQY5B4Y7HQV7RRP6MCSXNS \
  | 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: dfdc0ac31d0f31f3c2bf8c5fe60a576ca8a74278babfed195eda9c0caf0ad488

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eac8542ff93086807caab48b3391d069285ead8f911602586fdc58419fd324b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2009-06-24T12:00:52Z",
    "title_canon_sha256": "eecf31408439badee8f6f940d9d3216e50ccc9e3df0bffa7e7b16b005b9b2d40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4455",
    "kind": "arxiv",
    "version": 2
  }
}