Pith Number

pith:D6XDO5CD

pith:2018:D6XDO5CDJOENJM7NYCFWGCDMTE

not attested not anchored not stored refs pending

Haj\'os-Type Constructions and Neighborhood Complexes

Benjamin Braun, Julianne Vega

arxiv:1812.07991 v1 · 2018-12-19 · math.CO · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D6XDO5CDJOENJM7NYCFWGCDMTE}

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	2026-05-17T23:57:55.266390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fae3774434b88d4b3edc08b63086c99394f067852e5faa6db395e53da56245a

Aliases

arxiv: 1812.07991 · arxiv_version: 1812.07991v1 · doi: 10.48550/arxiv.1812.07991 · pith_short_12: D6XDO5CDJOEN · pith_short_16: D6XDO5CDJOENJM7N · pith_short_8: D6XDO5CD

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/D6XDO5CDJOENJM7NYCFWGCDMTE \
  | 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: 1fae3774434b88d4b3edc08b63086c99394f067852e5faa6db395e53da56245a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36de62c124b45b19bee020a2bb4f278b79574057a6eec79919fdb51f173dcfa5",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-12-19T14:59:19Z",
    "title_canon_sha256": "ea8a1224a46cb5c100066be3c945fde753da29cc1748d94795c47bd9171847f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07991",
    "kind": "arxiv",
    "version": 1
  }
}