Pith Number

pith:ZBVDURQF

pith:2015:ZBVDURQFVDNXZCMOCNKFH7KEMO

not attested not anchored not stored refs pending

A Knapsack-Like Code Using Recurrence Sequence Representations

Bala Krishnamoorthy, Nathan Hamlin, William Webb

arxiv:1503.04238 v1 · 2015-03-13 · math.NT · cs.CR · 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{ZBVDURQFVDNXZCMOCNKFH7KEMO}

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	2026-05-18T02:23:25.720935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c86a3a4605a8db7c898e135453fd4463b3d5f1db18987d2eaa7ee60b5c018a66

Aliases

arxiv: 1503.04238 · arxiv_version: 1503.04238v1 · doi: 10.48550/arxiv.1503.04238 · pith_short_12: ZBVDURQFVDNX · pith_short_16: ZBVDURQFVDNXZCMO · pith_short_8: ZBVDURQF

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/ZBVDURQFVDNXZCMOCNKFH7KEMO \
  | 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: c86a3a4605a8db7c898e135453fd4463b3d5f1db18987d2eaa7ee60b5c018a66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74b57024a9403dd2ac8bcbaf577d4a0be014653c1a442f763a957a1beefcd009",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2015-03-13T22:35:23Z",
    "title_canon_sha256": "78fa5c5ac0e8c8fded35099a9cad5c1ded98d870fbdaa2e05fe1d063e463545b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04238",
    "kind": "arxiv",
    "version": 1
  }
}