Pith Number

pith:Z6OOPZ74

pith:2013:Z6OOPZ74THRFTPOJSXSOZF3F3E

not attested not anchored not stored refs pending

Nef cone of flag bundles over a curve

A. J. Parameswaran, Indranil Biswas

arxiv:1302.2390 v2 · 2013-02-11 · 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{Z6OOPZ74THRFTPOJSXSOZF3F3E}

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	2026-05-18T01:28:15.377286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf9ce7e7fc99e259bdc995e4ec9765d904042d218a047470b79aeb818d9dd49c

Aliases

arxiv: 1302.2390 · arxiv_version: 1302.2390v2 · doi: 10.48550/arxiv.1302.2390 · pith_short_12: Z6OOPZ74THRF · pith_short_16: Z6OOPZ74THRFTPOJ · pith_short_8: Z6OOPZ74

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/Z6OOPZ74THRFTPOJSXSOZF3F3E \
  | 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: cf9ce7e7fc99e259bdc995e4ec9765d904042d218a047470b79aeb818d9dd49c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9230d9798feabd9345b256e5c2a3e1cb4433ced2dc9fc77b68f2cc614ca99ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-02-11T03:44:36Z",
    "title_canon_sha256": "5191bbf9d9c94f689ea2bac907694cf77ad764ccda38d2b87f97efb9d70bbc00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2390",
    "kind": "arxiv",
    "version": 2
  }
}