Pith Number

pith:VHV4KTHE

pith:2018:VHV4KTHEITE4HGWEACJ6T7TCWE

not attested not anchored not stored refs pending

Consistent sets of lines with no colorful incidence

Alfredo Hubard, Boris Bukh, Matthew Trager, Xavier Goaoc

arxiv:1803.06267 v1 · 2018-03-16 · cs.CG · cs.CV · 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{VHV4KTHEITE4HGWEACJ6T7TCWE}

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	2026-05-18T00:20:50.074682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9ebc54ce444c9c39ac40093e9fe62b1172a05a6dccecc26d2006328aa9f4a7c

Aliases

arxiv: 1803.06267 · arxiv_version: 1803.06267v1 · doi: 10.48550/arxiv.1803.06267 · pith_short_12: VHV4KTHEITE4 · pith_short_16: VHV4KTHEITE4HGWE · pith_short_8: VHV4KTHE

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/VHV4KTHEITE4HGWEACJ6T7TCWE \
  | 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: a9ebc54ce444c9c39ac40093e9fe62b1172a05a6dccecc26d2006328aa9f4a7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af494bfb4986708f53971f95ad97fd81d1e1cfea99685801bad48a96c9419bcd",
    "cross_cats_sorted": [
      "cs.CV",
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-03-16T15:25:43Z",
    "title_canon_sha256": "06d961673bb32cbf0509480d8c70f00f31a6b5a6dc9006dcfca129de59af8bd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06267",
    "kind": "arxiv",
    "version": 1
  }
}