Pith Number

pith:42ITZYFC

pith:2017:42ITZYFC5OT5OXW2CRPAN6MKL2

not attested not anchored not stored refs pending

On the metric dimension of incidence graphs

Robert F. Bailey

arxiv:1707.02899 v2 · 2017-07-10 · 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{42ITZYFC5OT5OXW2CRPAN6MKL2}

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	2026-05-18T00:22:16.120674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6913ce0a2eba7d75eda145e06f98a5e8619a6c4d0dd511024bc33150d981a4a

Aliases

arxiv: 1707.02899 · arxiv_version: 1707.02899v2 · doi: 10.48550/arxiv.1707.02899 · pith_short_12: 42ITZYFC5OT5 · pith_short_16: 42ITZYFC5OT5OXW2 · pith_short_8: 42ITZYFC

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/42ITZYFC5OT5OXW2CRPAN6MKL2 \
  | 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: e6913ce0a2eba7d75eda145e06f98a5e8619a6c4d0dd511024bc33150d981a4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7156a5fb2742a16139cbf5add3c79db18453b452109e8225d64484b6835f669",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-07-10T15:12:04Z",
    "title_canon_sha256": "26db5a74ef9539f35de843d61dc54ebe13f045ca39e5f23b85b072df306731c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02899",
    "kind": "arxiv",
    "version": 2
  }
}