Pith Number

pith:QXSDQ5ZR

pith:2017:QXSDQ5ZRMPWIIPHPV4VBLIRGDQ

not attested not anchored not stored refs pending

The Euler top and canonical lifts

Alexandru Buium, Emma Previato

arxiv:1708.02558 v1 · 2017-08-08 · 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{QXSDQ5ZRMPWIIPHPV4VBLIRGDQ}

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	2026-05-18T00:38:23.925713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85e438773163ec843cefaf2a15a2261c07a25872c7643fc43525c98abafd7a55

Aliases

arxiv: 1708.02558 · arxiv_version: 1708.02558v1 · doi: 10.48550/arxiv.1708.02558 · pith_short_12: QXSDQ5ZRMPWI · pith_short_16: QXSDQ5ZRMPWIIPHP · pith_short_8: QXSDQ5ZR

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/QXSDQ5ZRMPWIIPHPV4VBLIRGDQ \
  | 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: 85e438773163ec843cefaf2a15a2261c07a25872c7643fc43525c98abafd7a55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d40894c91f01ce070dd477b6602d4f39bfce811fc92fd545702a33f855d6e88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-08-08T16:52:01Z",
    "title_canon_sha256": "c14389838765e48da5fee768e64b337cdf953de5c5ce27ea1b6c934d51541e1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02558",
    "kind": "arxiv",
    "version": 1
  }
}