Pith Number

pith:X6DLHXIA

pith:2015:X6DLHXIAZQQAE2RWHZQJIZ77GS

not attested not anchored not stored refs pending

Computationally Tractable Algorithms for Finding a Subset of Non-defective Items from a Large Population

Abhay Sharma, Chandra R. Murthy

arxiv:1502.04169 v2 · 2015-02-14 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X6DLHXIAZQQAE2RWHZQJIZ77GS}

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	2026-05-18T01:19:55.459205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf86b3dd00cc20026a363e609467ff34b03dde420c8f4463afb333551bc00314

Aliases

arxiv: 1502.04169 · arxiv_version: 1502.04169v2 · doi: 10.48550/arxiv.1502.04169 · pith_short_12: X6DLHXIAZQQA · pith_short_16: X6DLHXIAZQQAE2RW · pith_short_8: X6DLHXIA

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/X6DLHXIAZQQAE2RWHZQJIZ77GS \
  | 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: bf86b3dd00cc20026a363e609467ff34b03dde420c8f4463afb333551bc00314

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a58955d6bbde3c56375739d48e0d349e773e3af38c4b3d230d116453b46d0da",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-02-14T05:49:55Z",
    "title_canon_sha256": "9733d8a5878c7072faec61f540df4f740c69e56e73bc1b7a1702c959bd0e28d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04169",
    "kind": "arxiv",
    "version": 2
  }
}