Pith Number

pith:QME4TIVH

pith:2021:QME4TIVHRJ7SOV2WHZQC2AFGWU

not attested not anchored not stored refs pending

Proceedings of the 29th International Symposium on Graph Drawing and Network Visualization (GD 2021)

Helen Purchase, Ignaz Rutter

arxiv:2109.04863 v1 · 2021-09-10 · cs.CG · cs.DM · cs.DS · cs.HC · 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{QME4TIVHRJ7SOV2WHZQC2AFGWU}

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	2026-07-05T03:13:10.920869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8309c9a2a78a7f2757563e602d00a6b51d34aa25b24a3f541fc569747d5cbe00

Aliases

arxiv: 2109.04863 · arxiv_version: 2109.04863v1 · doi: 10.48550/arxiv.2109.04863 · pith_short_12: QME4TIVHRJ7S · pith_short_16: QME4TIVHRJ7SOV2W · pith_short_8: QME4TIVH

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/QME4TIVHRJ7SOV2WHZQC2AFGWU \
  | 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: 8309c9a2a78a7f2757563e602d00a6b51d34aa25b24a3f541fc569747d5cbe00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dc00b5f0048c0a0d0eb5164e8b5a91ca2ded44005654e205161b71f6d4efdae",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS",
      "cs.HC",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2021-09-10T13:20:40Z",
    "title_canon_sha256": "251f84e2f2cfb4dfd37624fce3b2e0eff956bce4d93bc403933800081247b4ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.04863",
    "kind": "arxiv",
    "version": 1
  }
}