Pith Number

pith:ERJEVIBW

pith:2013:ERJEVIBWLHTTQD2YZTYKLV7CYN

not attested not anchored not stored refs pending

A variety of Euler's conjecture

Tianxin Cai, Yong Zhang

arxiv:1309.7537 v1 · 2013-09-29 · 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{ERJEVIBWLHTTQD2YZTYKLV7CYN}

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	2026-05-18T03:11:56.668339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24524aa03659e7380f58ccf0a5d7e2c35901bbd734326f4aa951d4bf7c3ce1ee

Aliases

arxiv: 1309.7537 · arxiv_version: 1309.7537v1 · doi: 10.48550/arxiv.1309.7537 · pith_short_12: ERJEVIBWLHTT · pith_short_16: ERJEVIBWLHTTQD2Y · pith_short_8: ERJEVIBW

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/ERJEVIBWLHTTQD2YZTYKLV7CYN \
  | 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: 24524aa03659e7380f58ccf0a5d7e2c35901bbd734326f4aa951d4bf7c3ce1ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feb2243b795215de95b75cd1d65a65f8996cf34e5a60c1aaacc0e7c21444fa3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2013-09-29T05:12:57Z",
    "title_canon_sha256": "2e5848052dbebe34255efe2fc458e36b760396d73ebca14f287a6fc4dab20eda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7537",
    "kind": "arxiv",
    "version": 1
  }
}