Pith Number

pith:PCOUWNX4

pith:2016:PCOUWNX4D63MPQ7BGX252JVP7M

not attested not anchored not stored refs pending

The Reverse Cuthill-McKee Algorithm in Distributed-Memory

Ariful Azad, Aydin Buluc, Esmond G. Ng, Mathias Jacquelin

arxiv:1610.08128 v1 · 2016-10-26 · cs.DC · cs.MS · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCOUWNX4D63MPQ7BGX252JVP7M}

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	2026-05-18T01:01:09.478754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

789d4b36fc1fb6c7c3e135f5dd26affb2e53e4c7b261f72481bac4247a62243a

Aliases

arxiv: 1610.08128 · arxiv_version: 1610.08128v1 · doi: 10.48550/arxiv.1610.08128 · pith_short_12: PCOUWNX4D63M · pith_short_16: PCOUWNX4D63MPQ7B · pith_short_8: PCOUWNX4

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/PCOUWNX4D63MPQ7BGX252JVP7M \
  | 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: 789d4b36fc1fb6c7c3e135f5dd26affb2e53e4c7b261f72481bac4247a62243a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad6965954aee21b418fc7675c858c734e4b4303e79234db6a6f153d5d5b00cf0",
    "cross_cats_sorted": [
      "cs.MS",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2016-10-26T00:26:44Z",
    "title_canon_sha256": "40f2361a1426740f30d25f603130f170ed0df2ef513aae98a014b5a3f1782036"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08128",
    "kind": "arxiv",
    "version": 1
  }
}