Pith Number

pith:BXXOCZ7G

pith:2019:BXXOCZ7GA3LPLJH375GRUWK2OU

not attested not anchored not stored refs pending

Optimal In-place Algorithms for Basic Graph Problems

Kunihiko Sadakane, Sankardeep Chakraborty, Srinivasa Rao Satti

arxiv:1907.09280 v1 · 2019-07-22 · cs.DS · cs.CC · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BXXOCZ7GA3LPLJH375GRUWK2OU}

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	2026-05-17T23:39:59.630604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0deee167e606d6f5a4fbff4d1a595a75311edf31b1759852a6a6013f8aad8ed9

Aliases

arxiv: 1907.09280 · arxiv_version: 1907.09280v1 · doi: 10.48550/arxiv.1907.09280 · pith_short_12: BXXOCZ7GA3LP · pith_short_16: BXXOCZ7GA3LPLJH3 · pith_short_8: BXXOCZ7G

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/BXXOCZ7GA3LPLJH375GRUWK2OU \
  | 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: 0deee167e606d6f5a4fbff4d1a595a75311edf31b1759852a6a6013f8aad8ed9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e3d8b55d48b9838ebe047ff320cb7119e9273ce209184c13b9dcc1e6c1be125",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-07-22T12:41:59Z",
    "title_canon_sha256": "c29c47059a29c61986270e91b398f8f637a25c17fda6785fbf93a19857b6ffe8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09280",
    "kind": "arxiv",
    "version": 1
  }
}