Pith Number

pith:3J7EDCE6

pith:2015:3J7EDCE6JUDJASIH6GT3MAFAVU

not attested not anchored not stored refs pending

Number of Partitions of an n-kilogram Stone into Minimum Number of Weights to Weigh All Integral Weights from 1 to n kg(s) on a Two-pan Balance

Bangladesh), Bangladesh Civil Service, Dhaka, Md Shahidul Islam (Bangladesh Railway, Md Towhidul Islam (Comilla University

arxiv:1502.07730 v2 · 2015-01-24 · math.CO · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3J7EDCE6JUDJASIH6GT3MAFAVU}

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	2026-05-18T02:26:02.269971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da7e41889e4d06904907f1a7b600a0ad074ed78d14da3b299c0d6ed35419b494

Aliases

arxiv: 1502.07730 · arxiv_version: 1502.07730v2 · doi: 10.48550/arxiv.1502.07730 · pith_short_12: 3J7EDCE6JUDJ · pith_short_16: 3J7EDCE6JUDJASIH · pith_short_8: 3J7EDCE6

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/3J7EDCE6JUDJASIH6GT3MAFAVU \
  | 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: da7e41889e4d06904907f1a7b600a0ad074ed78d14da3b299c0d6ed35419b494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceabd9012f1f87b651e1fa6aa6e73e6d81832c68e6cebedde4908e5d6315a00c",
    "cross_cats_sorted": [
      "math.HO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-01-24T12:35:53Z",
    "title_canon_sha256": "53bf2d40cac74b0b8c3c30ddc55b7728a51f10841b7c8962ac1ebf23d3ef7ec2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07730",
    "kind": "arxiv",
    "version": 2
  }
}