Pith Number

pith:PNTAFEV5

pith:2014:PNTAFEV5ITROSIGEEJW65HV4CV

not attested not anchored not stored refs pending

On the length of Golomb Ruler: A function construction approach based on difference triangle

Xiaoming Li, Yanqing Wang

arxiv:1401.5556 v2 · 2014-01-22 · math.NT · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PNTAFEV5ITROSIGEEJW65HV4CV}

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	2026-05-18T03:01:01.835795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b660292bd44e2e920c4226dee9ebc156e47f9dff3bd92cee2c817c37fb2d685

Aliases

arxiv: 1401.5556 · arxiv_version: 1401.5556v2 · doi: 10.48550/arxiv.1401.5556 · pith_short_12: PNTAFEV5ITRO · pith_short_16: PNTAFEV5ITROSIGE · pith_short_8: PNTAFEV5

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/PNTAFEV5ITROSIGEEJW65HV4CV \
  | 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: 7b660292bd44e2e920c4226dee9ebc156e47f9dff3bd92cee2c817c37fb2d685

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbad8a5c4734bcf6b856f02cc6b6b4a2f58fd5819a0039ecf3bd32fe3bc6f7db",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-01-22T05:25:16Z",
    "title_canon_sha256": "0a88fcebbd24e414bdb3fc8261590d12e82cc936bc57275b84fa12c467e6264a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5556",
    "kind": "arxiv",
    "version": 2
  }
}