Pith Number

pith:MORNJY5R

pith:2018:MORNJY5REVVUBYQMFMP66ZDCRQ

not attested not anchored not stored refs pending

Diagonal entropy in many-body systems: Volume effect and quantum phase transitions

Haifeng Lang, Heng Fan, Jian Cui, Qiantan Hong, Yu Zeng, Zhengan Wang, Zheng-Hang Sun

arxiv:1802.08475 v4 · 2018-02-23 · 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{MORNJY5REVVUBYQMFMP66ZDCRQ}

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	2026-07-05T00:45:01.925778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63a2d4e3b1256b40e20c2b1fef64628c1ab9671f30466bc415f5e0c86fa584e7

Aliases

arxiv: 1802.08475 · arxiv_version: 1802.08475v4 · doi: 10.48550/arxiv.1802.08475 · pith_short_12: MORNJY5REVVU · pith_short_16: MORNJY5REVVUBYQM · pith_short_8: MORNJY5R

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/MORNJY5REVVUBYQMFMP66ZDCRQ \
  | 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: 63a2d4e3b1256b40e20c2b1fef64628c1ab9671f30466bc415f5e0c86fa584e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e78db4670d942fca18e272422ae5907eb375967e89a4657045c84cde19a6a8bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-02-23T10:48:37Z",
    "title_canon_sha256": "48b2a106d7e2f26de213b399c3a70eeb85b5dcdcf35ca4adcae23a27a172cc9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08475",
    "kind": "arxiv",
    "version": 4
  }
}