Pith Number

pith:2XDDXELG

pith:2014:2XDDXELGL7Z7JXGA6NLJ5RHIJJ

not attested not anchored not stored refs pending

Algebraic order and the Berezinskii-Kosterlitz-Thouless transition in an exciton-polariton gas

Alfred Forchel, Christian Schneider, Georgios Roumpos, Martin Kamp, Na Young Kim, Sven Hoefling, Wolfgang H. Nitsche, Yoshihisa Yamamoto

arxiv:1401.0756 v1 · 2014-01-04 · 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{2XDDXELGL7Z7JXGA6NLJ5RHIJJ}

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	2026-05-18T02:32:00.186643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5c63b91665ff3f4dcc0f3569ec4e84a5b7b8d66c97b2c0ef30ac5573e11f673

Aliases

arxiv: 1401.0756 · arxiv_version: 1401.0756v1 · doi: 10.48550/arxiv.1401.0756 · pith_short_12: 2XDDXELGL7Z7 · pith_short_16: 2XDDXELGL7Z7JXGA · pith_short_8: 2XDDXELG

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/2XDDXELGL7Z7JXGA6NLJ5RHIJJ \
  | 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: d5c63b91665ff3f4dcc0f3569ec4e84a5b7b8d66c97b2c0ef30ac5573e11f673

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df73eefaaa367cc42c8cf821ce0ee4412a664810f618f6809342f3c77647872",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2014-01-04T00:15:05Z",
    "title_canon_sha256": "23be7619a1a3022f6b56cf47af89277359eb29bac5ae742ff7215ff7d335a41c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0756",
    "kind": "arxiv",
    "version": 1
  }
}