Pith Number

pith:XDFUIZCH

pith:2014:XDFUIZCHY4FORKV3PAQ4CSVGLU

not attested not anchored not stored refs pending

Proof of a supercongruence conjectured by Z.-H. Sun

Victor J. W. Guo

arxiv:1404.6978 v1 · 2014-04-28 · math.NT · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XDFUIZCHY4FORKV3PAQ4CSVGLU}

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	2026-05-18T02:53:05.414378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8cb446447c70ae8aabb7821c14aa65d13bf968d27613dc50e92e66599e626ec

Aliases

arxiv: 1404.6978 · arxiv_version: 1404.6978v1 · doi: 10.48550/arxiv.1404.6978 · pith_short_12: XDFUIZCHY4FO · pith_short_16: XDFUIZCHY4FORKV3 · pith_short_8: XDFUIZCH

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/XDFUIZCHY4FORKV3PAQ4CSVGLU \
  | 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: b8cb446447c70ae8aabb7821c14aa65d13bf968d27613dc50e92e66599e626ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69ed5b16b8c96cc0eed3e6495dbe3874d0018c14ecea3ecd7043adcbbd5cd451",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-04-28T13:49:05Z",
    "title_canon_sha256": "592ac516e6c924c2790331904ce3b89c532541933f0c4dd92f6ecca747f8a44d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6978",
    "kind": "arxiv",
    "version": 1
  }
}