Pith Number

pith:WRV237RG

pith:2015:WRV237RGX5S2YQZQ3YTDNGVDNB

not attested not anchored not stored refs pending

Strong $(r,p)$ Cover for Hypergraphs

Sudebkumar Prasant Pal, Tapas Kumar Mishra

arxiv:1507.03160 v1 · 2015-07-11 · 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{WRV237RGX5S2YQZQ3YTDNGVDNB}

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	2026-05-18T01:36:46.451124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b46badfe26bf65ac4330de26369aa36842a78b07d1236bf15d0aa44062c98bd4

Aliases

arxiv: 1507.03160 · arxiv_version: 1507.03160v1 · doi: 10.48550/arxiv.1507.03160 · pith_short_12: WRV237RGX5S2 · pith_short_16: WRV237RGX5S2YQZQ · pith_short_8: WRV237RG

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/WRV237RGX5S2YQZQ3YTDNGVDNB \
  | 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: b46badfe26bf65ac4330de26369aa36842a78b07d1236bf15d0aa44062c98bd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afa92aace456ddb4554ea087913668682665824e6e566ebff7063d4e8ad91254",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-07-11T22:05:52Z",
    "title_canon_sha256": "5abc508ba3af099ee05c558946b40c0e7fed3f06b1843c39a19f325122ddec5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03160",
    "kind": "arxiv",
    "version": 1
  }
}