Pith Number

pith:UZD33D5J

pith:2014:UZD33D5JPZEHQFJQBZBX5YKUX7

not attested not anchored not stored refs pending

Veldkamp-Space Aspects of a Sequence of Nested Binary Segre Varieties

Frederic Holweck, Hans Havlicek, Metod Saniga, Michel Planat, Petr Pracna

arxiv:1403.6714 v1 · 2014-03-26 · math.CO · math-ph · math.MP · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UZD33D5JPZEHQFJQBZBX5YKUX7}

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	2026-05-18T01:34:40.027515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a647bd8fa97e487815300e437ee154bfff2204dddb9c09baa063c95339998b02

Aliases

arxiv: 1403.6714 · arxiv_version: 1403.6714v1 · doi: 10.48550/arxiv.1403.6714 · pith_short_12: UZD33D5JPZEH · pith_short_16: UZD33D5JPZEHQFJQ · pith_short_8: UZD33D5J

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/UZD33D5JPZEHQFJQBZBX5YKUX7 \
  | 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: a647bd8fa97e487815300e437ee154bfff2204dddb9c09baa063c95339998b02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c32d7d0835f7358b8e812c498789ca051b49ef096ec444a23a312694a2df03",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-03-26T15:33:57Z",
    "title_canon_sha256": "6f50a109c0edf80d283b795b4c8bf613b443ee00d5f767ec452e62023f6d7d79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6714",
    "kind": "arxiv",
    "version": 1
  }
}