Pith Number

pith:YMOY4ADU

pith:2014:YMOY4ADUP4HIXH5LDPO6KTT5QO

not attested not anchored not stored refs pending

Distilling topological entropy from single entanglement measures on projected systems

Claudio Castelnovo

arxiv:1401.7355 v1 · 2014-01-28 · cond-mat.str-el · 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{YMOY4ADUP4HIXH5LDPO6KTT5QO}

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	2026-05-18T02:52:34.010267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c31d8e00747f0e8b9fab1bdde54e7d839477beaab27ac6229a6dcd5c7f299366

Aliases

arxiv: 1401.7355 · arxiv_version: 1401.7355v1 · doi: 10.48550/arxiv.1401.7355 · pith_short_12: YMOY4ADUP4HI · pith_short_16: YMOY4ADUP4HIXH5L · pith_short_8: YMOY4ADU

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/YMOY4ADUP4HIXH5LDPO6KTT5QO \
  | 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: c31d8e00747f0e8b9fab1bdde54e7d839477beaab27ac6229a6dcd5c7f299366

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77740a3794023b8ad3b2abd871f005d48c2faa77df0f62eaac83f2db2c188f5b",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2014-01-28T22:28:54Z",
    "title_canon_sha256": "d4a02c5204b37dba8945a8ab02a385811c1bce158af39149ffa9a13279cc5440"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7355",
    "kind": "arxiv",
    "version": 1
  }
}