Pith Number

pith:KXZX2J2X

pith:2011:KXZX2J2XLVDEZNQ7N7ERFG4WI2

not attested not anchored not stored refs pending

Fermi polarons in two dimensions

Eugene Demler, Richard Schmidt, Tilman Enss, Ville Pietil\"a

arxiv:1110.1649 v2 · 2011-10-07 · cond-mat.quant-gas · cond-mat.str-el · 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{KXZX2J2XLVDEZNQ7N7ERFG4WI2}

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	2026-05-18T04:02:54.242839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55f37d27575d464cb61f6fc9129b964682be5762ac137fac46002e49532d5986

Aliases

arxiv: 1110.1649 · arxiv_version: 1110.1649v2 · doi: 10.48550/arxiv.1110.1649 · pith_short_12: KXZX2J2XLVDE · pith_short_16: KXZX2J2XLVDEZNQ7 · pith_short_8: KXZX2J2X

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/KXZX2J2XLVDEZNQ7N7ERFG4WI2 \
  | 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: 55f37d27575d464cb61f6fc9129b964682be5762ac137fac46002e49532d5986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78b5ab779dda9584e565f059082e4217855b68a0ae644ea3ba0b411401d9ea45",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2011-10-07T20:21:43Z",
    "title_canon_sha256": "78fcba8fd56e5b98515b9b240df820c9f97e1e8c459b595626a91e8a4e234f07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1649",
    "kind": "arxiv",
    "version": 2
  }
}