Pith Number

pith:ZKCCTX73

pith:2018:ZKCCTX73LXCS3GINY7YOAAPRIA

not attested not anchored not stored refs pending

Intersection Space Constructible Complexes

Javier Fernandez de Bobadilla, Marta Agustin

arxiv:1804.06185 v1 · 2018-04-17 · math.AG · 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{ZKCCTX73LXCS3GINY7YOAAPRIA}

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	2026-05-18T00:18:21.435050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca8429dffb5dc52d990dc7f0e001f1403398fcbf992d8e2527b2b209d54b97f1

Aliases

arxiv: 1804.06185 · arxiv_version: 1804.06185v1 · doi: 10.48550/arxiv.1804.06185 · pith_short_12: ZKCCTX73LXCS · pith_short_16: ZKCCTX73LXCS3GIN · pith_short_8: ZKCCTX73

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/ZKCCTX73LXCS3GINY7YOAAPRIA \
  | 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: ca8429dffb5dc52d990dc7f0e001f1403398fcbf992d8e2527b2b209d54b97f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb6e9de2ca57d055bde08e5b1b877b799e655a4cf4d0a381bd6cec41c7d74104",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-04-17T12:02:54Z",
    "title_canon_sha256": "307e8b27b5b221336ec39db172120a0b7af529ff140ae790133ad5add8560541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06185",
    "kind": "arxiv",
    "version": 1
  }
}