Pith Number

pith:RH42ATTJ

pith:2018:RH42ATTJSYRVWFSCL6JKHSCCPS

not attested not anchored not stored refs pending

Further Consequences of the Colorful Helly Hypothesis

Edgardo Rold\'an-Pensado, Leonardo Mart\'inez-Sandoval, Natan Rubin

arxiv:1803.06229 v1 · 2018-03-16 · math.CO · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RH42ATTJSYRVWFSCL6JKHSCCPS}

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	2026-05-18T00:20:13.379950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89f9a04e6996235b16425f92a3c8427cb7a29ec0eb767737c4bc10238995a4e6

Aliases

arxiv: 1803.06229 · arxiv_version: 1803.06229v1 · doi: 10.48550/arxiv.1803.06229 · pith_short_12: RH42ATTJSYRV · pith_short_16: RH42ATTJSYRVWFSC · pith_short_8: RH42ATTJ

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/RH42ATTJSYRVWFSCL6JKHSCCPS \
  | 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: 89f9a04e6996235b16425f92a3c8427cb7a29ec0eb767737c4bc10238995a4e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce22d674d2d550791a93fc4934b6edfce8c7ae5514c5543163bae44459f5d59a",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-03-16T13:47:05Z",
    "title_canon_sha256": "703b64e63c965a5e9add8890e11311e7a45a70f52af983bf07fa4355ef5dea51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06229",
    "kind": "arxiv",
    "version": 1
  }
}