Pith Number

pith:LY2XQE5E

pith:2017:LY2XQE5EECNWT4WTSHMDELI4WC

not attested not anchored not stored refs pending

On the dynamics of the Pappus-Steiner map

Attila D\'enes, Jaydeep Chipalkatti

arxiv:1708.04002 v1 · 2017-08-14 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LY2XQE5EECNWT4WTSHMDELI4WC}

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	2026-05-18T00:38:07.301106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e357813a4209b69f2d391d8322d1cb0925cbcbf226fabb0971af1734bf01b7b

Aliases

arxiv: 1708.04002 · arxiv_version: 1708.04002v1 · doi: 10.48550/arxiv.1708.04002 · pith_short_12: LY2XQE5EECNW · pith_short_16: LY2XQE5EECNWT4WT · pith_short_8: LY2XQE5E

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/LY2XQE5EECNWT4WTSHMDELI4WC \
  | 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: 5e357813a4209b69f2d391d8322d1cb0925cbcbf226fabb0971af1734bf01b7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb395af80e975928d8c04e6903e501b2923dbfc7b286c8442631e9039a9d2830",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-08-14T04:02:38Z",
    "title_canon_sha256": "1a8f7d3e202c0ffd809d516cf48b3924d204428041c34e054842694d23610415"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04002",
    "kind": "arxiv",
    "version": 1
  }
}