Pith Number

pith:VOUONJO5

pith:2020:VOUONJO5VHD6T5VLJEEKURCPQI

not attested not anchored not stored refs pending

Entanglement Entropy in Closed String Theory

Usman Naseer

arxiv:2002.12148 v2 · 2020-02-27 · 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{VOUONJO5VHD6T5VLJEEKURCPQI}

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.

Cited by

1 paper in Pith

Toward a worldsheet theory of entanglement entropy

Receipt and verification

First computed	2026-07-05T01:41:51.119896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aba8e6a5dda9c7e9f6ab4908aa444f8226a5411e854c626659a3128c6382664d

Aliases

arxiv: 2002.12148 · arxiv_version: 2002.12148v2 · doi: 10.48550/arxiv.2002.12148 · pith_short_12: VOUONJO5VHD6 · pith_short_16: VOUONJO5VHD6T5VL · pith_short_8: VOUONJO5

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/VOUONJO5VHD6T5VLJEEKURCPQI \
  | 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: aba8e6a5dda9c7e9f6ab4908aa444f8226a5411e854c626659a3128c6382664d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "739577610d05830cae956201aac5a1d4c922d8ce790888ff52690520fe6d42ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-02-27T14:55:30Z",
    "title_canon_sha256": "785ba5206401952921ceb4507762fb4666d6bb5b5f9f631360dd13eee910380b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.12148",
    "kind": "arxiv",
    "version": 2
  }
}