Pith Number

pith:4MAR57QD

pith:2014:4MAR57QD2O3VXDPSDIYGAFXSJH

not attested not anchored not stored refs pending

Line Polar Grassmann Codes of Orthogonal Type

Antonio Pasini, Ilaria Cardinali, Luca Giuzzi

arxiv:1407.6149 v2 · 2014-07-23 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MAR57QD2O3VXDPSDIYGAFXSJH}

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	2026-05-18T02:43:18.608154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3011efe03d3b75b8df21a306016f249d9985dd7580e7e8877c1fd7e0e210938

Aliases

arxiv: 1407.6149 · arxiv_version: 1407.6149v2 · doi: 10.48550/arxiv.1407.6149 · pith_short_12: 4MAR57QD2O3V · pith_short_16: 4MAR57QD2O3VXDPS · pith_short_8: 4MAR57QD

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/4MAR57QD2O3VXDPSDIYGAFXSJH \
  | 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: e3011efe03d3b75b8df21a306016f249d9985dd7580e7e8877c1fd7e0e210938

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5aec5bb6f52066bac4d6eab08337c96e08bf91772026d5b0843487128a1b1b72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-07-23T09:24:24Z",
    "title_canon_sha256": "e35e847e02bfc45df2c4dbc53de3d012d0991007917b3c5d5bfb1ca5d7e94b20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6149",
    "kind": "arxiv",
    "version": 2
  }
}