Pith Number

pith:G33XY23S

pith:2025:G33XY23SNXTVEOO2LTG66NEDRV

not attested not anchored not stored refs pending

Same Quality Metrics, Different Graph Drawings

Alexandru C. Telea, Simon van Wageningen, Tamara Mchedlidze

arxiv:2508.15557 v1 · 2025-08-21 · 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{G33XY23SNXTVEOO2LTG66NEDRV}

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	2026-07-05T11:57:14.563200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36f77c6b726de75239da5ccdef34838d63c009be360726c952083fbb1c343520

Aliases

arxiv: 2508.15557 · arxiv_version: 2508.15557v1 · doi: 10.48550/arxiv.2508.15557 · pith_short_12: G33XY23SNXTV · pith_short_16: G33XY23SNXTVEOO2 · pith_short_8: G33XY23S

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/G33XY23SNXTVEOO2LTG66NEDRV \
  | 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: 36f77c6b726de75239da5ccdef34838d63c009be360726c952083fbb1c343520

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "219f25c63b7233f7b0d97ebdfb62c473d8aa72f4f6797ee700547b3d38c999d3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2025-08-21T13:37:46Z",
    "title_canon_sha256": "116cf20a653e30ebc7660b23687a5a2650eedf876b5e3703782be95936421c95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.15557",
    "kind": "arxiv",
    "version": 1
  }
}