Pith Number

pith:7ELSWXIF

pith:2017:7ELSWXIFU62ZD2IMVWP7YGWMVI

not attested not anchored not stored refs pending

Finite homogeneous geometries

David M. Evans

arxiv:1701.05129 v1 · 2017-01-18 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ELSWXIFU62ZD2IMVWP7YGWMVI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:52:33.131386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9172b5d05a7b591e90cad9ffc1accaa2013c2b5ff29006b2868490f004c1da8

Aliases

arxiv: 1701.05129 · arxiv_version: 1701.05129v1 · doi: 10.48550/arxiv.1701.05129 · pith_short_12: 7ELSWXIFU62Z · pith_short_16: 7ELSWXIFU62ZD2IM · pith_short_8: 7ELSWXIF

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/7ELSWXIFU62ZD2IMVWP7YGWMVI \
  | 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: f9172b5d05a7b591e90cad9ffc1accaa2013c2b5ff29006b2868490f004c1da8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66809404073ddfb2007d84adecade5677e0ae9531b3641db1531a3b6e9859815",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-01-18T16:14:12Z",
    "title_canon_sha256": "54ef5500bff072b2ba7d09abec961a1b57b0222b439367a9eb8bd929082c56ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05129",
    "kind": "arxiv",
    "version": 1
  }
}