Pith Number

pith:S3W4LNQZ

pith:2016:S3W4LNQZBAJQ2C654V76QEW3G3

not attested not anchored not stored refs pending

Weighted Fano varieties and infinitesimal Torelli problem

Enrico Fatighenti, Francesco Zucconi, Luca Rizzi

arxiv:1611.05355 v3 · 2016-11-16 · 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{S3W4LNQZBAJQ2C654V76QEW3G3}

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	2026-05-17T23:54:03.383831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96edc5b61908130d0bdde57fe812db36db8b3208162cc12877adf6191e9d4d7d

Aliases

arxiv: 1611.05355 · arxiv_version: 1611.05355v3 · doi: 10.48550/arxiv.1611.05355 · pith_short_12: S3W4LNQZBAJQ · pith_short_16: S3W4LNQZBAJQ2C65 · pith_short_8: S3W4LNQZ

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/S3W4LNQZBAJQ2C654V76QEW3G3 \
  | 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: 96edc5b61908130d0bdde57fe812db36db8b3208162cc12877adf6191e9d4d7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e69c1f539462831858216173d9d3e46b4aafe93acdb219019f07762ac2a84c09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-11-16T16:45:47Z",
    "title_canon_sha256": "a550c98e60c6054567f295dbe9fda0028819a36bd25548d5ef4b286a6e26fd05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.05355",
    "kind": "arxiv",
    "version": 3
  }
}