Pith Number

pith:Q6Q5V4EE

pith:2017:Q6Q5V4EE5RKJ4RD55RWREMR72Z

not attested not anchored not stored refs pending

On the number of points in general position in the plane

Jozsef Balogh, Jozsef Solymosi

arxiv:1704.05089 v2 · 2017-04-17 · 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{Q6Q5V4EE5RKJ4RD55RWREMR72Z}

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	2026-05-18T00:03:32.624740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87a1daf084ec549e447dec6d12323fd677459b62fbc85452d6473ce6a716f852

Aliases

arxiv: 1704.05089 · arxiv_version: 1704.05089v2 · doi: 10.48550/arxiv.1704.05089 · pith_short_12: Q6Q5V4EE5RKJ · pith_short_16: Q6Q5V4EE5RKJ4RD5 · pith_short_8: Q6Q5V4EE

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/Q6Q5V4EE5RKJ4RD55RWREMR72Z \
  | 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: 87a1daf084ec549e447dec6d12323fd677459b62fbc85452d6473ce6a716f852

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07f0622f25d3dc1a3837e57a38bfa1dac37515d9dbed473c1bd4d6a1c8d8b80a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-04-17T18:46:51Z",
    "title_canon_sha256": "244205a423e65fedc80bba89d69dd7737700c12e1aaede221f40a59342bb0e07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05089",
    "kind": "arxiv",
    "version": 2
  }
}