Pith Number

pith:C4WVS3MO

pith:2018:C4WVS3MOXV3K34Y5H5SHRCX4KS

not attested not anchored not stored refs pending

On RC-spaces

Szymon Plewik, Wojciech Bielas

arxiv:1805.10509 v1 · 2018-05-26 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C4WVS3MOXV3K34Y5H5SHRCX4KS}

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	2026-05-18T00:14:52.314113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

172d596d8ebd76adf31d3f64788afc549e2588fc3af40112f2b602725e2145a9

Aliases

arxiv: 1805.10509 · arxiv_version: 1805.10509v1 · doi: 10.48550/arxiv.1805.10509 · pith_short_12: C4WVS3MOXV3K · pith_short_16: C4WVS3MOXV3K34Y5 · pith_short_8: C4WVS3MO

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/C4WVS3MOXV3K34Y5H5SHRCX4KS \
  | 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: 172d596d8ebd76adf31d3f64788afc549e2588fc3af40112f2b602725e2145a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77eef0c98051f772c4c2c78145402ea877deb012608086a61d8da1ad7e111de1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-05-26T17:39:43Z",
    "title_canon_sha256": "cf6a895490e22c9e34979b3747fcfe702616eb5b124561d1906e970cecd25b8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10509",
    "kind": "arxiv",
    "version": 1
  }
}