Pith Number

pith:NQYHZY4W

pith:2017:NQYHZY4WLQSVJN5G4TBEQMMJQE

not attested not anchored not stored refs pending

A polynomial variant of a problem of Diophantus and its consequences

Alan Filipin, Ana Jurasi\'c

arxiv:1705.09194 v2 · 2017-05-25 · 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{NQYHZY4WLQSVJN5G4TBEQMMJQE}

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	2026-05-18T00:40:19.032336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c307ce3965c2554b7a6e4c248318981232f7c5fa633da633f2839b3f5adde13

Aliases

arxiv: 1705.09194 · arxiv_version: 1705.09194v2 · doi: 10.48550/arxiv.1705.09194 · pith_short_12: NQYHZY4WLQSV · pith_short_16: NQYHZY4WLQSVJN5G · pith_short_8: NQYHZY4W

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/NQYHZY4WLQSVJN5G4TBEQMMJQE \
  | 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: 6c307ce3965c2554b7a6e4c248318981232f7c5fa633da633f2839b3f5adde13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c54d2c6bc12c2744c4d0c960e45cc8a814a5e36c39d83108621ec4c625ffe67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-05-25T14:21:45Z",
    "title_canon_sha256": "bbc4973af0231034ba06c064bb8e59cbad0a0571ddd05673732b4b5b2ff7cecd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09194",
    "kind": "arxiv",
    "version": 2
  }
}