Pith Number

pith:RQXLFCJ3

pith:2016:RQXLFCJ3CEOCTKBRQKLWBXELEK

not attested not anchored not stored refs pending

Nef vector bundles on a projective space with first Chern class three

Masahiro Ohno

arxiv:1604.05847 v7 · 2016-04-20 · 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{RQXLFCJ3CEOCTKBRQKLWBXELEK}

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	2026-05-18T00:08:24.044767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c2eb2893b111c29a831829760dc8b22aae8dbf5da6b315ba241af55deba95c3

Aliases

arxiv: 1604.05847 · arxiv_version: 1604.05847v7 · doi: 10.48550/arxiv.1604.05847 · pith_short_12: RQXLFCJ3CEOC · pith_short_16: RQXLFCJ3CEOCTKBR · pith_short_8: RQXLFCJ3

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/RQXLFCJ3CEOCTKBRQKLWBXELEK \
  | 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: 8c2eb2893b111c29a831829760dc8b22aae8dbf5da6b315ba241af55deba95c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ccee9d296f6dc01e00b7baf8cc67a466a1cf47cc4b7473c388d9f3ecb4bae92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-04-20T07:30:50Z",
    "title_canon_sha256": "646bd3ab4e289c8e6b983cb53bf43e08cef74be4d16a4a01a295e440820e3863"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05847",
    "kind": "arxiv",
    "version": 7
  }
}