Pith Number

pith:2KFVA6I3

pith:2013:2KFVA6I3RL5OKYTAP2LT2K7ZRU

not attested not anchored not stored refs pending

Identifying Symmetry-Protected Topological Order by Entanglement Entropy

Andreas Weichselbaum, Jan von Delft, Wei Li

arxiv:1306.5671 v2 · 2013-06-24 · 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{2KFVA6I3RL5OKYTAP2LT2K7ZRU}

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	2026-05-18T03:02:59.369127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d28b50791b8afae562607e973d2bf98d063e232d7ad8aca1e1c2d1242377faef

Aliases

arxiv: 1306.5671 · arxiv_version: 1306.5671v2 · doi: 10.48550/arxiv.1306.5671 · pith_short_12: 2KFVA6I3RL5O · pith_short_16: 2KFVA6I3RL5OKYTA · pith_short_8: 2KFVA6I3

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/2KFVA6I3RL5OKYTAP2LT2K7ZRU \
  | 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: d28b50791b8afae562607e973d2bf98d063e232d7ad8aca1e1c2d1242377faef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e58e90130c8d3b0f6f2b65db8142e6b3f548b561fef46f9c0a96236b27c3720a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2013-06-24T16:52:11Z",
    "title_canon_sha256": "2bf1bbba3a0e4d96fdc90aeea3ace24715c6081be83412a3b297400a6518c11c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5671",
    "kind": "arxiv",
    "version": 2
  }
}