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Pith Number

pith:TV7SIR7L

pith:2009:TV7SIR7LW3XUYYI5FYS3NII3JW
not attested not anchored not stored refs pending

The Veldkamp Space of GQ(2,4)

Metod Saniga (ASTRINSTSAV), Peter Levay (BUTE), Peter Vrana (BUTE), Petr Pracna (JH-Inst), Richard M. Green

arxiv:0903.0715 v2 · 2009-03-04 · math-ph · hep-th · math.MP · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{TV7SIR7LW3XUYYI5FYS3NII3JW}

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 2026-05-18T04:02:15.359732Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9d7f2447ebb6ef4c611d2e25b6a11b4d87713c991e838e0121a6a31861e2e54e

Aliases

arxiv: 0903.0715 · arxiv_version: 0903.0715v2 · doi: 10.48550/arxiv.0903.0715 · pith_short_12: TV7SIR7LW3XU · pith_short_16: TV7SIR7LW3XUYYI5 · pith_short_8: TV7SIR7L
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/TV7SIR7LW3XUYYI5FYS3NII3JW \
  | 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: 9d7f2447ebb6ef4c611d2e25b6a11b4d87713c991e838e0121a6a31861e2e54e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "22cd25e07764b4bd44b1373cc00a27579f4e700c2e4d4d9867f4d8b2fdc37a4d",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-03-04T08:50:10Z",
    "title_canon_sha256": "08ca6a35eebd0b349f98d331c371fd3cdce03f1539c259d9d9141b3a907c42c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0715",
    "kind": "arxiv",
    "version": 2
  }
}