Pith Number

pith:6WAUXXZS

pith:2018:6WAUXXZS2NL2BJJ5M7R5IXKA3C

not attested not anchored not stored refs pending

Deformation of product of complex Fano manifolds

Qifeng Li

arxiv:1803.03883 v1 · 2018-03-11 · 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{6WAUXXZS2NL2BJJ5M7R5IXKA3C}

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	2026-05-18T00:21:33.535831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5814bdf32d357a0a53d67e3d45d40d88aa1355b9c268941bdb94c4617b00faa

Aliases

arxiv: 1803.03883 · arxiv_version: 1803.03883v1 · doi: 10.48550/arxiv.1803.03883 · pith_short_12: 6WAUXXZS2NL2 · pith_short_16: 6WAUXXZS2NL2BJJ5 · pith_short_8: 6WAUXXZS

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/6WAUXXZS2NL2BJJ5M7R5IXKA3C \
  | 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: f5814bdf32d357a0a53d67e3d45d40d88aa1355b9c268941bdb94c4617b00faa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e03c796b2f4cd9758311f21c6be6a57ad8790de540c9681a2b0840694e33fe7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-03-11T02:32:39Z",
    "title_canon_sha256": "dcbb869e41311ece4169d3dcc66d74b073e79e79438581b214732faec9b5e2c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03883",
    "kind": "arxiv",
    "version": 1
  }
}