Pith Number

pith:VOFQRHUN

pith:2018:VOFQRHUN2ZHMREQP6H5UAD5KPZ

not attested not anchored not stored refs pending

An entropy generation formula on $RCD(K,\infty)$ spaces

Ugo Bessi

arxiv:1807.07379 v1 · 2018-07-19 · math.AP · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VOFQRHUN2ZHMREQP6H5UAD5KPZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:10:20.286592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab8b089e8dd64ec8920ff1fb400faa7e7b81d1f32738656508d0827e30b686f1

Aliases

arxiv: 1807.07379 · arxiv_version: 1807.07379v1 · doi: 10.48550/arxiv.1807.07379 · pith_short_12: VOFQRHUN2ZHM · pith_short_16: VOFQRHUN2ZHMREQP · pith_short_8: VOFQRHUN

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/VOFQRHUN2ZHMREQP6H5UAD5KPZ \
  | 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: ab8b089e8dd64ec8920ff1fb400faa7e7b81d1f32738656508d0827e30b686f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d5572f1371a7f497c7f8879a346e8b3f24bbb61aa610c13bb8ec1a5b393b90f",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-07-19T13:13:14Z",
    "title_canon_sha256": "622959cf88c5feb8668e6881660e178e40ff6ef76b8b65c067b70600064c2fc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07379",
    "kind": "arxiv",
    "version": 1
  }
}