Pith Number

pith:HQ54LI3F

pith:2024:HQ54LI3F7T5UI5C43Z3NCIKTFH

not attested not anchored not stored refs pending

Birational geometry of blowups via Weyl chamber decompositions and actions on curves

Elisa Postinghel, Luis Jos\'e Santana S\'anchez, Maria Chiara Brambilla, Olivia Dumitrescu

arxiv:2410.18008 v3 · 2024-10-23 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HQ54LI3F7T5UI5C43Z3NCIKTFH}

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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

Blowups, Gale duality, and moduli spaces

Receipt and verification

First computed	2026-07-05T11:01:27.896402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c3bc5a365fcfb44745cde76d1215329c2a57e4aa94d1153beaa78600bc0d3ea

Aliases

arxiv: 2410.18008 · arxiv_version: 2410.18008v3 · doi: 10.48550/arxiv.2410.18008 · pith_short_12: HQ54LI3F7T5U · pith_short_16: HQ54LI3F7T5UI5C4 · pith_short_8: HQ54LI3F

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/HQ54LI3F7T5UI5C43Z3NCIKTFH \
  | 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: 3c3bc5a365fcfb44745cde76d1215329c2a57e4aa94d1153beaa78600bc0d3ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b06539ac41d0bb06c0e1a0c19e0c1e51e271ea3762920c84e19497bfaf30dd4",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2024-10-23T16:34:09Z",
    "title_canon_sha256": "598f423c1c41e52942f626ffccb417931ff8866476e76015b57b8f462ee55358"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.18008",
    "kind": "arxiv",
    "version": 3
  }
}