Pith Number

pith:3NSYWQQ5

pith:2015:3NSYWQQ5NAN2JIQPQSN3EF5YYS

not attested not anchored not stored refs pending

Deterministic construction of sparse binary and ternary matrices from existing binary sensing matrices

C. S. Sastry, Pradip Sasmal, P. V. Jampana, R. Ramu Naidu

arxiv:1503.01402 v1 · 2015-03-04 · cs.IT · math.IT · math.OC

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3NSYWQQ5NAN2JIQPQSN3EF5YYS}

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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	2026-05-18T02:25:34.629731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db658b421d681ba4a20f849bb217b8c48345af2cc4e456e18f4c0cf9a1a08890

Aliases

arxiv: 1503.01402 · arxiv_version: 1503.01402v1 · doi: 10.48550/arxiv.1503.01402 · pith_short_12: 3NSYWQQ5NAN2 · pith_short_16: 3NSYWQQ5NAN2JIQP · pith_short_8: 3NSYWQQ5

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/3NSYWQQ5NAN2JIQPQSN3EF5YYS \
  | 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: db658b421d681ba4a20f849bb217b8c48345af2cc4e456e18f4c0cf9a1a08890

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "839ecbec1204c6800b86e277a50248ac83ca42ce6557198d3c39144c5a3a4e99",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-03-04T18:03:40Z",
    "title_canon_sha256": "816f0e0fdc762ddd3401986c8d4bd870bb5856050e6bed07bf55138a90d28e70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01402",
    "kind": "arxiv",
    "version": 1
  }
}