Pith Number

pith:3STKF6LD

pith:2018:3STKF6LDWIWVOGNBZA2IKY3KK6

not attested not anchored not stored refs pending

On bounds on bend number of split and cocomparability graphs

Dibyayan Chakraborty, Joydeep Mukherjee, Sandip Das, Uma kant Sahoo

arxiv:1804.06584 v2 · 2018-04-18 · cs.DM · 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{3STKF6LDWIWVOGNBZA2IKY3KK6}

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	2026-05-18T00:09:09.354781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dca6a2f963b22d5719a1c83485636a57bb7d24a9b50186cf85fd99f8876fd5da

Aliases

arxiv: 1804.06584 · arxiv_version: 1804.06584v2 · doi: 10.48550/arxiv.1804.06584 · pith_short_12: 3STKF6LDWIWV · pith_short_16: 3STKF6LDWIWVOGNB · pith_short_8: 3STKF6LD

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/3STKF6LDWIWVOGNBZA2IKY3KK6 \
  | 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: dca6a2f963b22d5719a1c83485636a57bb7d24a9b50186cf85fd99f8876fd5da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4c329c0a58b8516e1e17fc44eb9cc7df3db8f7aa88f9a2acffcbdcfe1f62c40",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-04-18T07:30:20Z",
    "title_canon_sha256": "3f97f4b8cd79454d040cee7d41e0dcc66c38e24fc82aefdff8c45632f5c7156e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06584",
    "kind": "arxiv",
    "version": 2
  }
}