Pith Number

pith:MJXWL7N2

pith:2018:MJXWL7N2H7433F57RKX5LR32JD

not attested not anchored not stored refs pending

Tropical Fano Schemes

Sara Lamboglia

arxiv:1807.06283 v2 · 2018-07-17 · 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{MJXWL7N2H7433F57RKX5LR32JD}

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	2026-05-17T23:49:27.625679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

626f65fdba3ff9bd97bf8aafd5c77a48d381b5efa257b6928c4c2a57efecd126

Aliases

arxiv: 1807.06283 · arxiv_version: 1807.06283v2 · doi: 10.48550/arxiv.1807.06283 · pith_short_12: MJXWL7N2H743 · pith_short_16: MJXWL7N2H7433F57 · pith_short_8: MJXWL7N2

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/MJXWL7N2H7433F57RKX5LR32JD \
  | 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: 626f65fdba3ff9bd97bf8aafd5c77a48d381b5efa257b6928c4c2a57efecd126

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f22b2a89107a9e5b34912dfeb3a3d687a0b210b9ba03f7f509414519f020ec53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-07-17T08:54:58Z",
    "title_canon_sha256": "a9e12996852275d99e6c387bc666b6dd7bb530944219a35fab9913129db51eb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06283",
    "kind": "arxiv",
    "version": 2
  }
}