Pith Number

pith:EVATEU4I

pith:2023:EVATEU4IGM6YIBNNBBZMUZBKUI

not attested not anchored not stored refs pending

Entanglement entropy of the proton in coordinate space

Adrian Dumitru, Alex Kovner, Vladimir V. Skokov

arxiv:2304.08564 v1 · 2023-04-17 · hep-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{EVATEU4IGM6YIBNNBBZMUZBKUI}

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	2026-07-05T06:30:57.982175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2541325388333d8405ad0872ca642aa21d9e21d48967f27015b8edff8951bc51

Aliases

arxiv: 2304.08564 · arxiv_version: 2304.08564v1 · doi: 10.48550/arxiv.2304.08564 · pith_short_12: EVATEU4IGM6Y · pith_short_16: EVATEU4IGM6YIBNN · pith_short_8: EVATEU4I

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/EVATEU4IGM6YIBNNBBZMUZBKUI \
  | 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: 2541325388333d8405ad0872ca642aa21d9e21d48967f27015b8edff8951bc51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b22e03f681d7aaf26c085a3730e08d70df1f7608fb5bd0c310d2d7dc51b16c34",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2023-04-17T19:01:45Z",
    "title_canon_sha256": "80f6e3634c33b74e9ec18ecb90bab1059793d6901aba27da49da46360ed5bca5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.08564",
    "kind": "arxiv",
    "version": 1
  }
}