Pith Number

pith:C3LT4Q4B

pith:2015:C3LT4Q4BXCXVPJGGWWQ264IHZW

not attested not anchored not stored refs pending

Detecting Goldstone Modes with Entanglement Entropy

B. Kulchytskyy, C. M. Herdman, Roger G. Melko, Stephen Inglis

arxiv:1502.01722 v1 · 2015-02-05 · cond-mat.str-el · 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{C3LT4Q4BXCXVPJGGWWQ264IHZW}

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	2026-05-18T01:31:45.718896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16d73e4381b8af57a4c6b5a1af7107cd81932934974bc21e5a157ffa1ca55971

Aliases

arxiv: 1502.01722 · arxiv_version: 1502.01722v1 · doi: 10.48550/arxiv.1502.01722 · pith_short_12: C3LT4Q4BXCXV · pith_short_16: C3LT4Q4BXCXVPJGG · pith_short_8: C3LT4Q4B

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/C3LT4Q4BXCXVPJGGWWQ264IHZW \
  | 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: 16d73e4381b8af57a4c6b5a1af7107cd81932934974bc21e5a157ffa1ca55971

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffe961e151d8e5156a4ae85d6448dfbd211f419ed107dbf75d60c2dde302ecb5",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2015-02-05T21:00:12Z",
    "title_canon_sha256": "e93766e1804af855bc957053c53fb018bd2fe0e5173f9f084e920a803d294270"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01722",
    "kind": "arxiv",
    "version": 1
  }
}