Pith Number

pith:Z72TVM2V

pith:2019:Z72TVM2VDVSI2HGHOOEPBQ5VFI

not attested not anchored not stored refs pending

On the Universal Near Shortest Simple Paths Problem

Andrea Maier, Luca E. Sch\"afer, Stefan Ruzika

arxiv:1906.05101 v2 · 2019-06-12 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z72TVM2VDVSI2HGHOOEPBQ5VFI}

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	2026-07-04T23:59:22.937053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cff53ab3551d648d1cc77388f0c3b52a3990410b7ecf668f23bbed287795d1d5

Aliases

arxiv: 1906.05101 · arxiv_version: 1906.05101v2 · doi: 10.48550/arxiv.1906.05101 · pith_short_12: Z72TVM2VDVSI · pith_short_16: Z72TVM2VDVSI2HGH · pith_short_8: Z72TVM2V

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/Z72TVM2VDVSI2HGHOOEPBQ5VFI \
  | 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: cff53ab3551d648d1cc77388f0c3b52a3990410b7ecf668f23bbed287795d1d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcd023ecfe228e0d44d5bb63f9ddf25b9146705e4b760b60bb144b432b871927",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-06-12T12:56:27Z",
    "title_canon_sha256": "9a152d6741fbe2a69157e8450c33a5316ffe9386a86a7c4d72d96b5d85512028"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05101",
    "kind": "arxiv",
    "version": 2
  }
}