Pith Number

pith:YRODULAN

pith:2017:YRODULANP5EAFDFY2W336HDJKJ

not attested not anchored not stored refs pending

On the constructibility of the axes of an ellipsoid

\'Akos G.Horv\'ath, Istv\'an Prok

arxiv:1710.07277 v1 · 2017-10-19 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YRODULANP5EAFDFY2W336HDJKJ}

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	2026-05-18T00:32:25.242895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c45c3a2c0d7f48028cb8d5b7bf1c6952452b09e73c613e2072b0cbcf43c6d5a8

Aliases

arxiv: 1710.07277 · arxiv_version: 1710.07277v1 · doi: 10.48550/arxiv.1710.07277 · pith_short_12: YRODULANP5EA · pith_short_16: YRODULANP5EAFDFY · pith_short_8: YRODULAN

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/YRODULANP5EAFDFY2W336HDJKJ \
  | 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: c45c3a2c0d7f48028cb8d5b7bf1c6952452b09e73c613e2072b0cbcf43c6d5a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b54da8b7c97d3fe74eb4849de236c093961be6c5056b5de3370a3a8dea7303f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-10-19T07:02:43Z",
    "title_canon_sha256": "00d4b72b672ccdfeb0864714e4e0664ac705581d03a0ff5b98305cdee90fc65b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07277",
    "kind": "arxiv",
    "version": 1
  }
}