Pith Number

pith:2XB5HX77

pith:2007:2XB5HX77VOPFS5VPAKL2GXOZL4

not attested not anchored not stored refs pending

The basis digraphs of p-schemes

Amir Rahnamai Barghi, Ilia Ponomarenko

arxiv:0710.0046 v1 · 2007-09-29 · 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{2XB5HX77VOPFS5VPAKL2GXOZL4}

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	2026-05-18T02:16:51.721581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5c3d3dfffab9e5976af0297a35dd95f13063c5d40c7d9b8da25a7af6c4cf695

Aliases

arxiv: 0710.0046 · arxiv_version: 0710.0046v1 · doi: 10.48550/arxiv.0710.0046 · pith_short_12: 2XB5HX77VOPF · pith_short_16: 2XB5HX77VOPFS5VP · pith_short_8: 2XB5HX77

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/2XB5HX77VOPFS5VPAKL2GXOZL4 \
  | 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: d5c3d3dfffab9e5976af0297a35dd95f13063c5d40c7d9b8da25a7af6c4cf695

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e732aed7474d53542651d13d12b945da308b1234ab6fae856663dba6c1767eb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2007-09-29T06:48:58Z",
    "title_canon_sha256": "f4093005718388d109be16e73c469d46ceda9213735ef7d840f55118f671b79e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.0046",
    "kind": "arxiv",
    "version": 1
  }
}