Pith Number

pith:YPPNEQ2I

pith:2012:YPPNEQ2IJQYCV5CT2RBFDLIYCQ

not attested not anchored not stored refs pending

Local response of topological order to an external perturbation

Alioscia Hamma, Luigi Amico, Lukasz Cincio, Paolo Zanardi, Siddhartha Santra

arxiv:1211.4538 v4 · 2012-11-19 · quant-ph · 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{YPPNEQ2IJQYCV5CT2RBFDLIYCQ}

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	2026-05-18T03:22:17.269195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3ded243484c302af453d44251ad18141a86a7b916b7400b7013c304d82b1d87

Aliases

arxiv: 1211.4538 · arxiv_version: 1211.4538v4 · doi: 10.48550/arxiv.1211.4538 · pith_short_12: YPPNEQ2IJQYC · pith_short_16: YPPNEQ2IJQYCV5CT · pith_short_8: YPPNEQ2I

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/YPPNEQ2IJQYCV5CT2RBFDLIYCQ \
  | 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: c3ded243484c302af453d44251ad18141a86a7b916b7400b7013c304d82b1d87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abb05de27a6271691bd98aaf5827c24d59e7dbb32112bcfad9b1a5beeef6fb80",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-11-19T19:12:53Z",
    "title_canon_sha256": "50664f861b154b8a8da165245661fa2c57fc6f355754338aa49af50e8214e310"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4538",
    "kind": "arxiv",
    "version": 4
  }
}