Pith Number

pith:KQ5D6XH2

pith:2016:KQ5D6XH2P3AT7EI7TE6VV5IJ2H

not attested not anchored not stored refs pending

Constructing Q-Fano 3-folds \`a la Prokhorov & Reid

Tom Ducat

arxiv:1610.01773 v1 · 2016-10-06 · 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{KQ5D6XH2P3AT7EI7TE6VV5IJ2H}

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	2026-05-18T00:18:20.697694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

543a3f5cfa7ec13f911f993d5af509d1fa9786abf59e7998b24606471c1f7a39

Aliases

arxiv: 1610.01773 · arxiv_version: 1610.01773v1 · doi: 10.48550/arxiv.1610.01773 · pith_short_12: KQ5D6XH2P3AT · pith_short_16: KQ5D6XH2P3AT7EI7 · pith_short_8: KQ5D6XH2

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/KQ5D6XH2P3AT7EI7TE6VV5IJ2H \
  | 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: 543a3f5cfa7ec13f911f993d5af509d1fa9786abf59e7998b24606471c1f7a39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d071bec8819886124e5415129b36b5d4c7d604cf1bfc89b0c5fcf2cbc7fd8d65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-10-06T08:30:56Z",
    "title_canon_sha256": "7e9d4220eb70503e4dea9a6758d8e3d0d7420ff024e18cb4105f06197bb30698"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.01773",
    "kind": "arxiv",
    "version": 1
  }
}