Pith Number

pith:WCY2WRF3

pith:2017:WCY2WRF37RUH23KBZBS5Z6PSRP

not attested not anchored not stored refs pending

Better Tradeoffs for Exact Distance Oracles in Planar Graphs

Christian Wulff-Nilsen, Oren Weimann, Pawe{\l} Gawrychowski, Shay Mozes

arxiv:1708.01386 v1 · 2017-08-04 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WCY2WRF37RUH23KBZBS5Z6PSRP}

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	2026-05-18T00:38:37.536441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0b1ab44bbfc687d6d41c865dcf9f28be3e5034a02a19965448fd631588cd1a2

Aliases

arxiv: 1708.01386 · arxiv_version: 1708.01386v1 · doi: 10.48550/arxiv.1708.01386 · pith_short_12: WCY2WRF37RUH · pith_short_16: WCY2WRF37RUH23KB · pith_short_8: WCY2WRF3

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/WCY2WRF37RUH23KBZBS5Z6PSRP \
  | 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: b0b1ab44bbfc687d6d41c865dcf9f28be3e5034a02a19965448fd631588cd1a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d98fe95bcb0927b08189ecab131bb04ed444df0a533370d181f3cb56aff39e23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-08-04T05:58:10Z",
    "title_canon_sha256": "727191d558621aa7e57a96cc635b7f3b13e4e890efc5c05805707701d86182fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01386",
    "kind": "arxiv",
    "version": 1
  }
}