Pith Number

pith:WN6HIQGB

pith:2018:WN6HIQGBPVND67ELRJECQ56I3V

not attested not anchored not stored refs pending

Distance between arithmetic progressions and perfect squares

Tsz Ho Chan

arxiv:1801.01605 v1 · 2018-01-05 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WN6HIQGBPVND67ELRJECQ56I3V}

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	2026-05-18T00:26:41.649951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b37c7440c17d5a3f7c8b8a482877c8dd7dae39f1a806c65991fbbd520bbf5b26

Aliases

arxiv: 1801.01605 · arxiv_version: 1801.01605v1 · doi: 10.48550/arxiv.1801.01605 · pith_short_12: WN6HIQGBPVND · pith_short_16: WN6HIQGBPVND67EL · pith_short_8: WN6HIQGB

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/WN6HIQGBPVND67ELRJECQ56I3V \
  | 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: b37c7440c17d5a3f7c8b8a482877c8dd7dae39f1a806c65991fbbd520bbf5b26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34fac79aed94320b534d9d3a1c68d1d87c07a36615b6c10dadbe1940366fd751",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2018-01-05T01:31:07Z",
    "title_canon_sha256": "ba9d549ca096b239943fa02cfce87c4efd90dc92d446c254f16ffbb1fe8138f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01605",
    "kind": "arxiv",
    "version": 1
  }
}