Pith Number

pith:EU5IZJIL

pith:2021:EU5IZJIL6XNY4HVOMTCXTCG5HW

not attested not anchored not stored refs pending

Fermi polaron laser in two-dimensional semiconductors

Falko Pientka, Francesco Piazza, Tomasz Wasak

arxiv:2103.14040 v2 · 2021-03-25 · cond-mat.mes-hall · cond-mat.quant-gas · 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{EU5IZJIL6XNY4HVOMTCXTCG5HW}

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	2026-07-05T04:16:11.982928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

253a8ca50bf5db8e1eae64c57988dd3d9b5520eb2f41e1d7020d27d5aa92789d

Aliases

arxiv: 2103.14040 · arxiv_version: 2103.14040v2 · doi: 10.48550/arxiv.2103.14040 · pith_short_12: EU5IZJIL6XNY · pith_short_16: EU5IZJIL6XNY4HVO · pith_short_8: EU5IZJIL

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/EU5IZJIL6XNY4HVOMTCXTCG5HW \
  | 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: 253a8ca50bf5db8e1eae64c57988dd3d9b5520eb2f41e1d7020d27d5aa92789d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c244b8e4024a7fe314d9a1e35d35bd9733f1c818c305201cd02bc1fd0485a8b3",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2021-03-25T18:00:00Z",
    "title_canon_sha256": "6e9266145f5c7983b5d6498e650588f08b1e78eb5704b31b964ee1efb58b0dfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.14040",
    "kind": "arxiv",
    "version": 2
  }
}