Pith Number

pith:IAKNOBQT

pith:2017:IAKNOBQTGKBL35AKTL5JOSFHZX

not attested not anchored not stored refs pending

Numerical calculations on the relative entanglement entropy in critical spin chains

Tomonori Ugajin, Yuya O. Nakagawa

arxiv:1705.07899 v2 · 2017-05-22 · cond-mat.stat-mech · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IAKNOBQTGKBL35AKTL5JOSFHZX}

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	2026-05-18T00:34:29.146170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4014d706133282bdf40a9afa9748a7cdfde3e7b5779474b50e77310c77b4feee

Aliases

arxiv: 1705.07899 · arxiv_version: 1705.07899v2 · doi: 10.48550/arxiv.1705.07899 · pith_short_12: IAKNOBQTGKBL · pith_short_16: IAKNOBQTGKBL35AK · pith_short_8: IAKNOBQT

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/IAKNOBQTGKBL35AKTL5JOSFHZX \
  | 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: 4014d706133282bdf40a9afa9748a7cdfde3e7b5779474b50e77310c77b4feee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c23e676f0bcee7a21b713f1eee76a09ccfb93888a7dae6cf9fa92030f29b3446",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2017-05-22T18:00:01Z",
    "title_canon_sha256": "7b89b5cd996d694d6d692ebff0ba2a8f91f52e949999d81d5670b7e7e9dc36a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07899",
    "kind": "arxiv",
    "version": 2
  }
}