Pith Number

pith:UDUBQXKY

pith:2019:UDUBQXKYKG47ET5AC54EWN723E

not attested not anchored not stored refs pending

The cubical matching complex revisited

Du\v{s}ko Joji\'c

arxiv:1904.03881 v1 · 2019-04-08 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDUBQXKYKG47ET5AC54EWN723E}

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	2026-05-17T23:49:07.838693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0e8185d5851b9f24fa017784b37fad927381d17de6df5017aaa904d6c0d49b9

Aliases

arxiv: 1904.03881 · arxiv_version: 1904.03881v1 · doi: 10.48550/arxiv.1904.03881 · pith_short_12: UDUBQXKYKG47 · pith_short_16: UDUBQXKYKG47ET5A · pith_short_8: UDUBQXKY

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/UDUBQXKYKG47ET5AC54EWN723E \
  | 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: a0e8185d5851b9f24fa017784b37fad927381d17de6df5017aaa904d6c0d49b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d742dbe79767184792d9ee444389a000110aa9ee6039a19c8ad60620680ef28",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-04-08T08:17:01Z",
    "title_canon_sha256": "50c2574319d5c98ffa229c7d9a62f5cd5ffcc693bcf00a311bb6391ed5bccb0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03881",
    "kind": "arxiv",
    "version": 1
  }
}