Pith Number

pith:3L2ED5OL

pith:2017:3L2ED5OL54NJKPY3T6YGD64AXW

not attested not anchored not stored refs pending

Triangles with prime hypotenuse

Carl Pomerance, Sam Chow

arxiv:1703.10953 v1 · 2017-03-31 · 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{3L2ED5OL54NJKPY3T6YGD64AXW}

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	2026-05-18T00:47:32.205259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daf441f5cbef1a953f1b9fb061fb80bd98b0a4511c06631827d377cb86571c41

Aliases

arxiv: 1703.10953 · arxiv_version: 1703.10953v1 · doi: 10.48550/arxiv.1703.10953 · pith_short_12: 3L2ED5OL54NJ · pith_short_16: 3L2ED5OL54NJKPY3 · pith_short_8: 3L2ED5OL

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/3L2ED5OL54NJKPY3T6YGD64AXW \
  | 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: daf441f5cbef1a953f1b9fb061fb80bd98b0a4511c06631827d377cb86571c41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3257a71cdb8cacf0ce9334d9573e7cfe9213c66cde68ebf26c4bcebdd327a698",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-03-31T15:42:21Z",
    "title_canon_sha256": "77000124cd09e3d041b7c17a5c3f256447c6b3b7c382a88bee43c6cb4e926817"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10953",
    "kind": "arxiv",
    "version": 1
  }
}