Pith Number

pith:P2RPL5GB

pith:2018:P2RPL5GBX5B2KZQAJPBMOE4APG

not attested not anchored not stored refs pending

Induced and Weak Induced Arboricities

Jonathan Rollin, Maria Axenovich, Philip D\"orr, Torsten Ueckerdt

arxiv:1803.02152 v1 · 2018-03-06 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2RPL5GBX5B2KZQAJPBMOE4APG}

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	2026-05-18T00:21:55.633465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ea2f5f4c1bf43a566004bc2c71380798f34ccc3fa8f0bb03a736fcd3f3c720e

Aliases

arxiv: 1803.02152 · arxiv_version: 1803.02152v1 · doi: 10.48550/arxiv.1803.02152 · pith_short_12: P2RPL5GBX5B2 · pith_short_16: P2RPL5GBX5B2KZQA · pith_short_8: P2RPL5GB

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/P2RPL5GBX5B2KZQAJPBMOE4APG \
  | 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: 7ea2f5f4c1bf43a566004bc2c71380798f34ccc3fa8f0bb03a736fcd3f3c720e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cde8d42449979c29972d92857fcc54f358465b122f092918c17bd0a5e9b83269",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-03-06T13:02:51Z",
    "title_canon_sha256": "a5e082ce807e47474cda106131daaff9e1f7ba0f574be37bda63991c6a23200f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02152",
    "kind": "arxiv",
    "version": 1
  }
}