Pith Number

pith:RUPSX5CX

pith:2015:RUPSX5CXQWLGIYSRVWMUPLI42U

not attested not anchored not stored refs pending

Derandomized Construction of Combinatorial Batch Codes

Srimanta Bhattacharya

arxiv:1502.02472 v1 · 2015-02-09 · cs.DM · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RUPSX5CXQWLGIYSRVWMUPLI42U}

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	2026-05-18T02:27:42.208414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d1f2bf4578596646251ad9947ad1cd50e431ed94414b45aad0814caa231c5ef

Aliases

arxiv: 1502.02472 · arxiv_version: 1502.02472v1 · doi: 10.48550/arxiv.1502.02472 · pith_short_12: RUPSX5CXQWLG · pith_short_16: RUPSX5CXQWLGIYSR · pith_short_8: RUPSX5CX

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/RUPSX5CXQWLGIYSRVWMUPLI42U \
  | 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: 8d1f2bf4578596646251ad9947ad1cd50e431ed94414b45aad0814caa231c5ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d05208af71e4ca5d1667545b186377d9002008606a8f2ae798087cc6e4c5aee1",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-02-09T13:09:59Z",
    "title_canon_sha256": "08213d40fc9e75d262f3dd1c21540545973209011a1fa2fadf2201b9dfb90065"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02472",
    "kind": "arxiv",
    "version": 1
  }
}