Pith Number

pith:UG3EHEAJ

pith:2023:UG3EHEAJ3AKA3QF4UC7ZHAZBOX

not attested not anchored not stored refs pending

Birational geometry of moduli space of del Pezzo pairs

Fei Si, Haoyu Wu, Long Pan

arxiv:2309.10467 v1 · 2023-09-19 · 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{UG3EHEAJ3AKA3QF4UC7ZHAZBOX}

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	2026-07-05T06:52:12.430969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1b6439009d8140dc0bca0bf93832175c280a152fa20dc39875c72e3a69b4b35

Aliases

arxiv: 2309.10467 · arxiv_version: 2309.10467v1 · doi: 10.48550/arxiv.2309.10467 · pith_short_12: UG3EHEAJ3AKA · pith_short_16: UG3EHEAJ3AKA3QF4 · pith_short_8: UG3EHEAJ

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/UG3EHEAJ3AKA3QF4UC7ZHAZBOX \
  | 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: a1b6439009d8140dc0bca0bf93832175c280a152fa20dc39875c72e3a69b4b35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "957088da9e056fba55d2e70541429cf391b48bbbd9edb4a5ca68a8310afc60c3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2023-09-19T09:35:35Z",
    "title_canon_sha256": "6c773c5963e2e75e7de1eb8be3abd0f071091603447e2779ae1cd5e2d0f06b69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.10467",
    "kind": "arxiv",
    "version": 1
  }
}