Pith Number

pith:7B2JZ6QF

pith:2012:7B2JZ6QFH4LY245KV7YC3F4UZV

not attested not anchored not stored refs pending

Spontaneous symmetry breaking in a polariton and photon laser

Alexey V. Kavokin, Elena Kammann, Hamid Ohadi, Konstantinos G. Lagoudakis, Pavlos G. Lagoudakis, Timothy C.H. Liew

arxiv:1204.5969 v2 · 2012-04-26 · cond-mat.mes-hall · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7B2JZ6QFH4LY245KV7YC3F4UZV}

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	2026-05-18T03:48:58.793051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8749cfa053f178d73aaaff02d9794cd6110173595668a5efc8251c4a08d9aee

Aliases

arxiv: 1204.5969 · arxiv_version: 1204.5969v2 · doi: 10.48550/arxiv.1204.5969 · pith_short_12: 7B2JZ6QFH4LY · pith_short_16: 7B2JZ6QFH4LY245K · pith_short_8: 7B2JZ6QF

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/7B2JZ6QFH4LY245KV7YC3F4UZV \
  | 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: f8749cfa053f178d73aaaff02d9794cd6110173595668a5efc8251c4a08d9aee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d4f1df5c5698bb0f60ec23b1cb41a829fb3f95da44c74bf999b70004c570fb7",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2012-04-26T16:11:43Z",
    "title_canon_sha256": "edd5c72eb307ee77564128ce4a92ce8d4d54090a38b9cb1549d46ff1a547d77e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5969",
    "kind": "arxiv",
    "version": 2
  }
}