Pith Number

pith:SLV7YOJG

pith:2019:SLV7YOJGUDPZ6J5ZZ6J77ST5RR

not attested not anchored not stored refs pending

Tight Approximation Algorithms for Bichromatic Graph Diameter and Related Problems

Mina Dalirrooyfard, Nicole Wein, Nikhil Vyas, Virginia Vassilevska Williams

arxiv:1904.11601 v1 · 2019-04-25 · 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{SLV7YOJGUDPZ6J5ZZ6J77ST5RR}

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	2026-05-17T23:47:43.253474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92ebfc3926a0df9f27b9cf93ffca7d8c797f6172f46302c86ba353efaaf1984a

Aliases

arxiv: 1904.11601 · arxiv_version: 1904.11601v1 · doi: 10.48550/arxiv.1904.11601 · pith_short_12: SLV7YOJGUDPZ · pith_short_16: SLV7YOJGUDPZ6J5Z · pith_short_8: SLV7YOJG

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/SLV7YOJGUDPZ6J5ZZ6J77ST5RR \
  | 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: 92ebfc3926a0df9f27b9cf93ffca7d8c797f6172f46302c86ba353efaaf1984a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8936d237a800af0359622bbe6877bb8fe1cb51ed205e473ea7aa2773c191c29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-04-25T21:45:29Z",
    "title_canon_sha256": "ea4b35052716228e9bb8b3f8c98f8c9fcebc4b9a902a20f1e6972a7b5b827f02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11601",
    "kind": "arxiv",
    "version": 1
  }
}