Pith Number

pith:W6GWUC5Y

pith:2014:W6GWUC5YJX7CT6KKFF4WZCORP4

not attested not anchored not stored refs pending

On the Chern number inequalities satisfied by all smooth complete intersection threefolds with ample canonical class

Jinxing Xu, Mao Sheng, Mingwei Zhang

arxiv:1409.4006 v1 · 2014-09-14 · 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{W6GWUC5YJX7CT6KKFF4WZCORP4}

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	2026-05-18T02:42:53.252400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b78d6a0bb84dfe29f94a29796c89d17f14fc6b80767ec387a8de50bfcada2c7f

Aliases

arxiv: 1409.4006 · arxiv_version: 1409.4006v1 · doi: 10.48550/arxiv.1409.4006 · pith_short_12: W6GWUC5YJX7C · pith_short_16: W6GWUC5YJX7CT6KK · pith_short_8: W6GWUC5Y

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/W6GWUC5YJX7CT6KKFF4WZCORP4 \
  | 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: b78d6a0bb84dfe29f94a29796c89d17f14fc6b80767ec387a8de50bfcada2c7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ff3fde54613ea788c2488ab9b455239967bfdc8944355608a85d96934ddba30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-09-14T02:54:05Z",
    "title_canon_sha256": "df350a790b7c853dc45fca5ab3ca3c207bc4967742561e6b25b92d913081415b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4006",
    "kind": "arxiv",
    "version": 1
  }
}