Pith Number

pith:CTNLD3IH

pith:2015:CTNLD3IHRJFALQCEHITE6GDWQ6

not attested not anchored not stored refs pending

R\'enyi entanglement entropy of critical SU($N$) spin chains

Jonathan D'Emidio, Matthew S. Block, Ribhu K. Kaul

arxiv:1502.04739 v1 · 2015-02-16 · 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{CTNLD3IHRJFALQCEHITE6GDWQ6}

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	2026-05-18T01:35:32.376370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14dab1ed078a4a05c0443a264f18768786039a9cf011ff32c4b6db69b043d5a2

Aliases

arxiv: 1502.04739 · arxiv_version: 1502.04739v1 · doi: 10.48550/arxiv.1502.04739 · pith_short_12: CTNLD3IHRJFA · pith_short_16: CTNLD3IHRJFALQCE · pith_short_8: CTNLD3IH

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/CTNLD3IHRJFALQCEHITE6GDWQ6 \
  | 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: 14dab1ed078a4a05c0443a264f18768786039a9cf011ff32c4b6db69b043d5a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c458e24c88f0ac139aab87a460b7d18adeddcc60576e953d0a50e9f59d2aba4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2015-02-16T22:25:17Z",
    "title_canon_sha256": "7e460df44052cb624b0e109a538c4bd70df201f8825364a07aa8b90dfa82a327"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04739",
    "kind": "arxiv",
    "version": 1
  }
}