Pith Number

pith:WEZ4R34K

pith:2018:WEZ4R34K2X7UOA7BVQ4HYTHGCF

not attested not anchored not stored refs pending

On Pseudo-disk Hypergraphs

Anirudh Donakonda, Boris Aronov, Esther Ezra, Rom Pinchasi

arxiv:1802.08799 v1 · 2018-02-24 · cs.CG · 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{WEZ4R34K2X7UOA7BVQ4HYTHGCF}

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	2026-05-18T00:22:36.411043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b133c8ef8ad5ff4703e1ac387c4ce6115d6965a981e023e6dad3c7610e9f4ef0

Aliases

arxiv: 1802.08799 · arxiv_version: 1802.08799v1 · doi: 10.48550/arxiv.1802.08799 · pith_short_12: WEZ4R34K2X7U · pith_short_16: WEZ4R34K2X7UOA7B · pith_short_8: WEZ4R34K

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/WEZ4R34K2X7UOA7BVQ4HYTHGCF \
  | 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: b133c8ef8ad5ff4703e1ac387c4ce6115d6965a981e023e6dad3c7610e9f4ef0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "325abd78eeb74a8337e2989ec8d3b99827a0aff013b80e6d5a5f3c8a70a0bcc3",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-02-24T04:51:48Z",
    "title_canon_sha256": "40c9fa9baf07fd562e10ecb1cb69c2ae989d3abcdfa5abf2b5ccc78de860a958"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08799",
    "kind": "arxiv",
    "version": 1
  }
}