Pith Number

pith:VYL2LUIQ

pith:2021:VYL2LUIQDRERR45N6S7H6BAC6Z

not attested not anchored not stored refs pending

Reverse Shortest Path Problem for Unit-Disk Graphs

Haitao Wang, Yiming Zhao

arxiv:2104.14476 v2 · 2021-04-29 · cs.CG · 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{VYL2LUIQDRERR45N6S7H6BAC6Z}

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	2026-07-05T03:39:58.797936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae17a5d1101c4918f3adf4be7f0402f660064ddf226108c53864843317e3e439

Aliases

arxiv: 2104.14476 · arxiv_version: 2104.14476v2 · doi: 10.48550/arxiv.2104.14476 · pith_short_12: VYL2LUIQDRER · pith_short_16: VYL2LUIQDRERR45N · pith_short_8: VYL2LUIQ

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/VYL2LUIQDRERR45N6S7H6BAC6Z \
  | 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: ae17a5d1101c4918f3adf4be7f0402f660064ddf226108c53864843317e3e439

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2b8962d06a3fb80e2122aafd01f6f3c522fa453fc7d3730f50fe3fe1cee9dd8",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2021-04-29T16:38:35Z",
    "title_canon_sha256": "01911ab8d78a42d14cf7f161445cf62342fc6ae0dde6636bb8600e9ff1628901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.14476",
    "kind": "arxiv",
    "version": 2
  }
}