Pith Number

pith:F6ZHBZAX

pith:2013:F6ZHBZAXQX4Y44YFHA5IOSR2GV

not attested not anchored not stored refs pending

Codes and caps from orthogonal Grassmannians

Ilaria Cardinali, Luca Giuzzi

arxiv:1303.5636 v2 · 2013-03-22 · math.AG · cs.IT · math.CO · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F6ZHBZAXQX4Y44YFHA5IOSR2GV}

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	2026-05-18T03:17:11.461987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fb270e41785f98e7305383a874a3a357846137834fac45575ba0f4de94ea6c0

Aliases

arxiv: 1303.5636 · arxiv_version: 1303.5636v2 · doi: 10.48550/arxiv.1303.5636 · pith_short_12: F6ZHBZAXQX4Y · pith_short_16: F6ZHBZAXQX4Y44YF · pith_short_8: F6ZHBZAX

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/F6ZHBZAXQX4Y44YFHA5IOSR2GV \
  | 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: 2fb270e41785f98e7305383a874a3a357846137834fac45575ba0f4de94ea6c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7581ea309770e77a890f8f9b3a6b1779c81e622b330300bf3c14cf40105b11ed",
    "cross_cats_sorted": [
      "cs.IT",
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-03-22T14:56:42Z",
    "title_canon_sha256": "25785d2604d1a548766730d3a335979570746b05c2e6084c4e0585ddea9632f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5636",
    "kind": "arxiv",
    "version": 2
  }
}