Pith Number

pith:VWU34RJY

pith:2014:VWU34RJYPIKCG3LLHF3OG64M5U

not attested not anchored not stored refs pending

On representations by Egyptian fractions

Florin Ambro, Mugurel Barcau

arxiv:1412.3263 v2 · 2014-12-10 · math.NT · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VWU34RJYPIKCG3LLHF3OG64M5U}

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	2026-05-18T02:17:33.361490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ada9be45387a14236d6b3976e37b8ced2c9271fdd767033e442939ecb503dfb7

Aliases

arxiv: 1412.3263 · arxiv_version: 1412.3263v2 · doi: 10.48550/arxiv.1412.3263 · pith_short_12: VWU34RJYPIKC · pith_short_16: VWU34RJYPIKCG3LL · pith_short_8: VWU34RJY

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/VWU34RJYPIKCG3LLHF3OG64M5U \
  | 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: ada9be45387a14236d6b3976e37b8ced2c9271fdd767033e442939ecb503dfb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a505da3f3bf80a1f8f0fb8bcdd74e9b35177025b5a7f9a4c99923f77443c98a",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-12-10T11:32:27Z",
    "title_canon_sha256": "9f7d6bab7c39499822adbc9a8a575a57b7318371f03d6f8307fd31b556321cc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3263",
    "kind": "arxiv",
    "version": 2
  }
}