Pith Number

pith:QKEK2FFS

pith:2010:QKEK2FFSUJZFNAP54YQKFC2Z43

not attested not anchored not stored refs pending

Constructing projective varieties in weighted flag varieties

Balazs Szendroi, Muhammad Imran Qureshi

arxiv:1008.1947 v1 · 2010-08-11 · 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{QKEK2FFSUJZFNAP54YQKFC2Z43}

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	2026-05-18T02:58:01.949940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8288ad14b2a2725681fde620a28b59e6d0a6e90e2c5cee835ac9bce9ab58691b

Aliases

arxiv: 1008.1947 · arxiv_version: 1008.1947v1 · doi: 10.48550/arxiv.1008.1947 · pith_short_12: QKEK2FFSUJZF · pith_short_16: QKEK2FFSUJZFNAP5 · pith_short_8: QKEK2FFS

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/QKEK2FFSUJZFNAP54YQKFC2Z43 \
  | 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: 8288ad14b2a2725681fde620a28b59e6d0a6e90e2c5cee835ac9bce9ab58691b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cdcb54f3fe2f63376eed88505aac96e81165521e7e9bccbe3ca249e1d6f2bcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-08-11T15:59:34Z",
    "title_canon_sha256": "fe7350c51e559c1d40fd53b10d8c4fd4393b00ed87b145fa07f7086e0da19d6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1947",
    "kind": "arxiv",
    "version": 1
  }
}