Pith Number

pith:CAUI7WQ7

pith:2009:CAUI7WQ7EHMDD5AU3U76G6WFNH

not attested not anchored not stored refs pending

String Theory, Quantum Phase Transitions and the Emergent Fermi-Liquid

Jan Zaanen, Koenraad Schalm, Mihailo Cubrovic

arxiv:0904.1993 v2 · 2009-04-13 · hep-th · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CAUI7WQ7EHMDD5AU3U76G6WFNH}

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	2026-07-04T17:27:04.188936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10288fda1f21d831f414dd3fe37ac569d68c9a032fd7a4962bc70309a0afbfc0

Aliases

arxiv: 0904.1993 · arxiv_version: 0904.1993v2 · doi: 10.48550/arxiv.0904.1993 · pith_short_12: CAUI7WQ7EHMD · pith_short_16: CAUI7WQ7EHMDD5AU · pith_short_8: CAUI7WQ7

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/CAUI7WQ7EHMDD5AU3U76G6WFNH \
  | 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: 10288fda1f21d831f414dd3fe37ac569d68c9a032fd7a4962bc70309a0afbfc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4347638d4b83dfca4c843a15237d97ed24ff37f8e0abd14fe3863f91e1d30d2",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-04-13T19:37:16Z",
    "title_canon_sha256": "c952b27d2e4c411b831a50502e73cb1500ce887e43394947408b41ed78f1e817"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1993",
    "kind": "arxiv",
    "version": 2
  }
}