Pith Number

pith:UJU2HXA6

pith:2014:UJU2HXA6I7SCV4BW3TY4SE3CJY

not attested not anchored not stored refs pending

On Disjoint Golomb Rulers

Changjun Fan, Meilian Liang, Xiu Baoxin

arxiv:1405.4535 v1 · 2014-05-18 · 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{UJU2HXA6I7SCV4BW3TY4SE3CJY}

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	2026-05-18T02:51:40.589273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a269a3dc1e47e42af036dcf1c913624e3f6f507535603cdbd4ce28e1ff51e74d

Aliases

arxiv: 1405.4535 · arxiv_version: 1405.4535v1 · doi: 10.48550/arxiv.1405.4535 · pith_short_12: UJU2HXA6I7SC · pith_short_16: UJU2HXA6I7SCV4BW · pith_short_8: UJU2HXA6

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/UJU2HXA6I7SCV4BW3TY4SE3CJY \
  | 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: a269a3dc1e47e42af036dcf1c913624e3f6f507535603cdbd4ce28e1ff51e74d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6480c6fc11d2d0f82c95156d9acf15ff282754798aec7e866ac2538feec771e8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-05-18T18:30:57Z",
    "title_canon_sha256": "183de379ad1345506937d7875d6fe0f8e2fe58df32af8e3eee4cb8693081cc37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4535",
    "kind": "arxiv",
    "version": 1
  }
}