Pith Number

pith:SUATWYEW

pith:2012:SUATWYEWBBX6J3IB3PAEC7XZBK

not attested not anchored not stored refs pending

Characterization of isometric embeddings of Grassmann graphs

Mark Pankov

arxiv:1203.0105 v1 · 2012-03-01 · 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{SUATWYEWBBX6J3IB3PAEC7XZBK}

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	2026-05-18T04:01:03.147364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95013b6096086fe4ed01dbc0417ef90a95ff22719261620a4264b84f46bdecf6

Aliases

arxiv: 1203.0105 · arxiv_version: 1203.0105v1 · doi: 10.48550/arxiv.1203.0105 · pith_short_12: SUATWYEWBBX6 · pith_short_16: SUATWYEWBBX6J3IB · pith_short_8: SUATWYEW

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/SUATWYEWBBX6J3IB3PAEC7XZBK \
  | 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: 95013b6096086fe4ed01dbc0417ef90a95ff22719261620a4264b84f46bdecf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38a03044bf37a68db9cfac0a84c5349d548404a5e593d37f91cd779e3c16f377",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-03-01T07:29:46Z",
    "title_canon_sha256": "cfcc494d4b21fc10155b652e7933bcc104f17d4e9d7e5409813f2d1eee07c9ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0105",
    "kind": "arxiv",
    "version": 1
  }
}