Pith Number

pith:QZBXSTBA

pith:2016:QZBXSTBARGSHX5OR3N7IH5HQ27

not attested not anchored not stored refs pending

On the F-index and F-coindex of the line graphs of the subdivision graphs

Ruhul Amin, Sk. Md. Abu Nayeem

arxiv:1608.01503 v1 · 2016-08-04 · 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{QZBXSTBARGSHX5OR3N7IH5HQ27}

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	2026-05-18T01:09:52.284435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8643794c2089a47bf5d1db7e83f4f0d7c160ec100275c1baf106f6216319e99e

Aliases

arxiv: 1608.01503 · arxiv_version: 1608.01503v1 · doi: 10.48550/arxiv.1608.01503 · pith_short_12: QZBXSTBARGSH · pith_short_16: QZBXSTBARGSHX5OR · pith_short_8: QZBXSTBA

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/QZBXSTBARGSHX5OR3N7IH5HQ27 \
  | 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: 8643794c2089a47bf5d1db7e83f4f0d7c160ec100275c1baf106f6216319e99e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "440018ebef68bbfcb619da3d9c3842160161711a00f0ed0cdc82cbefb2d2c441",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-08-04T11:40:58Z",
    "title_canon_sha256": "7d6118f48b35d8aa52c831476683708f199745f9323342909a07ab4d84e1c19c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01503",
    "kind": "arxiv",
    "version": 1
  }
}