Pith Number

pith:EOTJRQTC

pith:2019:EOTJRQTCA5JZV5GBTCAYZRDIXH

not attested not anchored not stored refs pending

The Log Product Formula

Leo Herr

arxiv:1908.04936 v1 · 2019-08-14 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EOTJRQTCA5JZV5GBTCAYZRDIXH}

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

The integral Chow ring of $\mathscr{M}_{0}(\mathbb{P}^r, 2)$

Receipt and verification

First computed	2026-07-05T06:15:10.472016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23a698c26207539af4c198818cc468b9d9551f91c7425c47a67fd06fa17403e0

Aliases

arxiv: 1908.04936 · arxiv_version: 1908.04936v1 · doi: 10.48550/arxiv.1908.04936 · pith_short_12: EOTJRQTCA5JZ · pith_short_16: EOTJRQTCA5JZV5GB · pith_short_8: EOTJRQTC

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/EOTJRQTCA5JZV5GBTCAYZRDIXH \
  | 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: 23a698c26207539af4c198818cc468b9d9551f91c7425c47a67fd06fa17403e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79ce6fa21fe8efbec0f452046cc8565ed85825c568bfe440b3bf3fa28cc017e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-14T03:11:03Z",
    "title_canon_sha256": "3bace71cd74e84b559898f2272f150b08e0b7bfc4620830854a73deccaf6a544"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04936",
    "kind": "arxiv",
    "version": 1
  }
}