Pith Number

pith:VOU57TQR

pith:2017:VOU57TQRTABWR4T2TR2YMZYFFI

not attested not anchored not stored refs pending

Entanglement hamiltonian and entanglement contour in inhomogeneous 1D critical systems

Erik Tonni, Germ\'an Sierra, Javier Rodr\'iguez-Laguna

arxiv:1712.03557 v2 · 2017-12-10 · cond-mat.stat-mech · hep-th · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VOU57TQRTABWR4T2TR2YMZYFFI}

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	2026-05-17T23:53:57.968147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aba9dfce11980368f27a9c758667052a17c512e4c6946a0ec15db934dd92bb4c

Aliases

arxiv: 1712.03557 · arxiv_version: 1712.03557v2 · doi: 10.48550/arxiv.1712.03557 · pith_short_12: VOU57TQRTABW · pith_short_16: VOU57TQRTABWR4T2 · pith_short_8: VOU57TQR

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/VOU57TQRTABWR4T2TR2YMZYFFI \
  | 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: aba9dfce11980368f27a9c758667052a17c512e4c6946a0ec15db934dd92bb4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5dc36bfbd376c9c3bae303bc5c73086a14e89248564f1e899ef502a6a802894",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2017-12-10T16:40:00Z",
    "title_canon_sha256": "b304a6587b4d4fb17fa0ed676c259286fea2c863a273d80ec6cf9e942b8f2043"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03557",
    "kind": "arxiv",
    "version": 2
  }
}