Pith Number

pith:NHCOW327

pith:2017:NHCOW327AFF4BRMWH7S5IOM6N3

not attested not anchored not stored refs pending

Nearly Work-Efficient Parallel Algorithm for Digraph Reachability

Jeremy T. Fineman

arxiv:1711.01700 v1 · 2017-11-06 · 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{NHCOW327AFF4BRMWH7S5IOM6N3}

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	2026-05-18T00:31:17.097492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69c4eb6f5f014bc0c5963fe5d4399e6ef5582aa9b310e68715a582967111b6e1

Aliases

arxiv: 1711.01700 · arxiv_version: 1711.01700v1 · doi: 10.48550/arxiv.1711.01700 · pith_short_12: NHCOW327AFF4 · pith_short_16: NHCOW327AFF4BRMW · pith_short_8: NHCOW327

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/NHCOW327AFF4BRMWH7S5IOM6N3 \
  | 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: 69c4eb6f5f014bc0c5963fe5d4399e6ef5582aa9b310e68715a582967111b6e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1d774e1494c09c1a51b2d665896fb803b4386aba975381f623c5f9889581336",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-11-06T02:44:03Z",
    "title_canon_sha256": "0d3e4ccd13e54bd3bfbb2730a165160966844583ae3a05f8e4b442008b093097"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01700",
    "kind": "arxiv",
    "version": 1
  }
}