Pith Number

pith:NOG4VZNS

pith:2017:NOG4VZNS3PSNRDXYBYIJDLNPQK

not attested not anchored not stored refs pending

Homotheties and incidences

Dror Aiger, Micha Sharir

arxiv:1709.02933 v1 · 2017-09-09 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NOG4VZNS3PSNRDXYBYIJDLNPQK}

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	2026-05-18T00:35:40.066200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b8dcae5b2dbe4d88ef80e1091adaf82b18254128bf0d79f86c3cd5a40e970ef

Aliases

arxiv: 1709.02933 · arxiv_version: 1709.02933v1 · doi: 10.48550/arxiv.1709.02933 · pith_short_12: NOG4VZNS3PSN · pith_short_16: NOG4VZNS3PSNRDXY · pith_short_8: NOG4VZNS

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/NOG4VZNS3PSNRDXYBYIJDLNPQK \
  | 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: 6b8dcae5b2dbe4d88ef80e1091adaf82b18254128bf0d79f86c3cd5a40e970ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06de2e773967cd750771f126f6a679e502e7439a05978f9d20c246bedbeb6231",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-09-09T09:17:06Z",
    "title_canon_sha256": "80517bec0535cee705c5757dc19980f25429f0368f2dd8f23f436e31788aec09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02933",
    "kind": "arxiv",
    "version": 1
  }
}