Pith Number

pith:FNDDC2UY

pith:2014:FNDDC2UYMKMXQERBOQ3OCOJEKT

not attested not anchored not stored refs pending

Refined blowups

A. Kuznetsov, D. Kaledin

arxiv:1410.7121 v3 · 2014-10-27 · math.AG · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FNDDC2UYMKMXQERBOQ3OCOJEKT}

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	2026-05-18T00:06:21.137283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b46316a9862997812217436e1392454d3605be89c6109f7e0bb6ef78980acce

Aliases

arxiv: 1410.7121 · arxiv_version: 1410.7121v3 · doi: 10.48550/arxiv.1410.7121 · pith_short_12: FNDDC2UYMKMX · pith_short_16: FNDDC2UYMKMXQERB · pith_short_8: FNDDC2UY

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/FNDDC2UYMKMXQERBOQ3OCOJEKT \
  | 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: 2b46316a9862997812217436e1392454d3605be89c6109f7e0bb6ef78980acce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f671b437e1ae19046762d27e8ac32497d49b19f6a625888967c50ddeffcd00c",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-10-27T05:09:36Z",
    "title_canon_sha256": "fbfa8e4318251d5cd33b9fad9e32ca0455d8d116af090d7f0b882a1a999b7fdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7121",
    "kind": "arxiv",
    "version": 3
  }
}