Pith Number

pith:AS3KRDCZ

pith:2013:AS3KRDCZX3M6XIWZMLBUM4YSFH

not attested not anchored not stored refs pending

Unboundedness of fiber invariants of canonically fibred varieties of general type

Meng Chen, Zhi Jiang

arxiv:1309.4327 v2 · 2013-09-17 · 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{AS3KRDCZX3M6XIWZMLBUM4YSFH}

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	2026-05-18T00:45:08.861793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04b6a88c59bed9eba2d962c346731229de6c53a5319b181e85759d0a521b7d10

Aliases

arxiv: 1309.4327 · arxiv_version: 1309.4327v2 · doi: 10.48550/arxiv.1309.4327 · pith_short_12: AS3KRDCZX3M6 · pith_short_16: AS3KRDCZX3M6XIWZ · pith_short_8: AS3KRDCZ

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/AS3KRDCZX3M6XIWZMLBUM4YSFH \
  | 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: 04b6a88c59bed9eba2d962c346731229de6c53a5319b181e85759d0a521b7d10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a698fb4737ee3573c756429be0b5bba90dc18333895e2511e31c9c54beabd5ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-09-17T14:40:07Z",
    "title_canon_sha256": "dc576004216baf7642fc149518d870dce0bb7b3db36b2fa8541f944a79a83919"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4327",
    "kind": "arxiv",
    "version": 2
  }
}