Pith Number

pith:Q6MSFNO6

pith:2014:Q6MSFNO6JPVW63LBRP2KZMO47X

not attested not anchored not stored refs pending

On subadditivity of the logarithmic Kodaira dimension

Osamu Fujino

arxiv:1406.2759 v8 · 2014-06-11 · 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{Q6MSFNO6JPVW63LBRP2KZMO47X}

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	2026-05-18T01:21:13.900713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

879922b5de4beb6f6d618bf4acb1dcfdd2e6d68d1e6fcc19e3b1c5c7000ea33a

Aliases

arxiv: 1406.2759 · arxiv_version: 1406.2759v8 · doi: 10.48550/arxiv.1406.2759 · pith_short_12: Q6MSFNO6JPVW · pith_short_16: Q6MSFNO6JPVW63LB · pith_short_8: Q6MSFNO6

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/Q6MSFNO6JPVW63LBRP2KZMO47X \
  | 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: 879922b5de4beb6f6d618bf4acb1dcfdd2e6d68d1e6fcc19e3b1c5c7000ea33a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86a37fefa716aa8aeff72c3d40da4f7937495b43f9bd35b29dc77d499f6d52e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-06-11T01:47:52Z",
    "title_canon_sha256": "6b55c2c2fca3cccd326fb1ca2d3bdeb59713026533c56be8a006ed42b2b2531b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2759",
    "kind": "arxiv",
    "version": 8
  }
}