Pith Number

pith:CMEA5LF7

pith:2015:CMEA5LF77YPFPFWBHUBCZM6D4O

not attested not anchored not stored refs pending

When a local Hamiltonian must be frustration-free

Christopher R. Laumann, Or Sattath, Roderich Moessner, Siddhardh C. Morampudi

arxiv:1509.07766 v2 · 2015-09-25 · quant-ph · cond-mat.stat-mech · cond-mat.str-el · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CMEA5LF77YPFPFWBHUBCZM6D4O}

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.

Cited by

1 paper in Pith

Exploring Entropic Orders: High Temperature Continuous Symmetry Breaking, Chiral Topological States and Local Commuting Projector Models

Receipt and verification

First computed	2026-05-18T01:11:18.084726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13080eacbffe1e5796c13d022cb3c3e3a78d83c50748fada69ea16facf8bb547

Aliases

arxiv: 1509.07766 · arxiv_version: 1509.07766v2 · doi: 10.48550/arxiv.1509.07766 · pith_short_12: CMEA5LF77YPF · pith_short_16: CMEA5LF77YPFPFWB · pith_short_8: CMEA5LF7

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/CMEA5LF77YPFPFWBHUBCZM6D4O \
  | 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: 13080eacbffe1e5796c13d022cb3c3e3a78d83c50748fada69ea16facf8bb547

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "330eb555862c936ae36e18bbc65ed299ec64334b99920d3fcb4b31f7635cf1ab",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cond-mat.str-el",
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-09-25T15:51:40Z",
    "title_canon_sha256": "d7e4c378266ad10c79fd1933c1c58e352b35a626608e6f45ef096408483bbc05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07766",
    "kind": "arxiv",
    "version": 2
  }
}