Pith Number

pith:RWUZD2F3

pith:2010:RWUZD2F3REETMYCWW5BLXVLL4C

not attested not anchored not stored refs pending

Oblivious Buy-at-Bulk in Planar Graphs

Costas Busch, Srivathsan Srinivasagopalan, S.S. Iyengar

arxiv:1010.0401 v1 · 2010-10-03 · 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{RWUZD2F3REETMYCWW5BLXVLL4C}

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	2026-05-18T02:23:47.650441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8da991e8bb8909366056b742bbd56be0af6b28ce286ba14c3bc492bada249798

Aliases

arxiv: 1010.0401 · arxiv_version: 1010.0401v1 · doi: 10.48550/arxiv.1010.0401 · pith_short_12: RWUZD2F3REET · pith_short_16: RWUZD2F3REETMYCW · pith_short_8: RWUZD2F3

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/RWUZD2F3REETMYCWW5BLXVLL4C \
  | 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: 8da991e8bb8909366056b742bbd56be0af6b28ce286ba14c3bc492bada249798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55a2a32a93ca0d20496d23b9a33e2fe1836da67020e635b1bbff47792ef3a16a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-10-03T13:43:00Z",
    "title_canon_sha256": "0496f0167e52a2a58ae5bb2574adacf2cbb7dcbc9c4fea7a1ccc0e3fd0e5b4f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0401",
    "kind": "arxiv",
    "version": 1
  }
}