Pith Number

pith:X7YERHD3

pith:2017:X7YERHD3VBTQ6G7SNIQTDVKMFG

not attested not anchored not stored refs pending

On a certain generalization of $W$-spaces

Martin Dole\v{z}al, Warren B. Moors

arxiv:1705.04037 v2 · 2017-05-11 · 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{X7YERHD3VBTQ6G7SNIQTDVKMFG}

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	2026-05-18T00:36:19.187812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bff0489c7ba8670f1bf26a2131d54c29bc3bb9dbf96a4574b6afc4d8e612080d

Aliases

arxiv: 1705.04037 · arxiv_version: 1705.04037v2 · doi: 10.48550/arxiv.1705.04037 · pith_short_12: X7YERHD3VBTQ · pith_short_16: X7YERHD3VBTQ6G7S · pith_short_8: X7YERHD3

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/X7YERHD3VBTQ6G7SNIQTDVKMFG \
  | 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: bff0489c7ba8670f1bf26a2131d54c29bc3bb9dbf96a4574b6afc4d8e612080d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77ee5dc4741dc688d64da9a0e24375948061d3e1ee5904906e006cbec2414288",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2017-05-11T07:04:09Z",
    "title_canon_sha256": "ab1c997eaec54daa4a5083a2101f95c0d001b6b37faf48a6ea3f862acd45ae34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04037",
    "kind": "arxiv",
    "version": 2
  }
}