Pith Number

pith:QOWEPUON

pith:2017:QOWEPUONI3MJA5SNQQNI7V5GMZ

not attested not anchored not stored refs pending

EPG-representations with small grid-size

Martin Derka, Pat Morin, Therese Biedl, Vida Dujmovic

arxiv:1708.09749 v2 · 2017-08-31 · 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{QOWEPUONI3MJA5SNQQNI7V5GMZ}

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	2026-05-18T00:36:08.119683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83ac47d1cd46d890764d841a8fd7a6667717155cd556b88f250057c8d3712d2e

Aliases

arxiv: 1708.09749 · arxiv_version: 1708.09749v2 · doi: 10.48550/arxiv.1708.09749 · pith_short_12: QOWEPUONI3MJ · pith_short_16: QOWEPUONI3MJA5SN · pith_short_8: QOWEPUON

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/QOWEPUONI3MJA5SNQQNI7V5GMZ \
  | 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: 83ac47d1cd46d890764d841a8fd7a6667717155cd556b88f250057c8d3712d2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a40a7722c49464025d762b27bb7db94d8370d5a6a1af3f946e952422c5441d2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-08-31T14:33:05Z",
    "title_canon_sha256": "497f9df2c0f5293ba673bf14ef588ef3d95aecfa53b8d390a68e95f1eea03445"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09749",
    "kind": "arxiv",
    "version": 2
  }
}