Pith Number

pith:NUUU2OA3

pith:2016:NUUU2OA3ZAZBYSHT6LPNSAYAST

not attested not anchored not stored refs pending

A Fast Parameterized Algorithm for Co-Path Set

Andrew van der Poel, Blair D. Sullivan

arxiv:1603.04376 v3 · 2016-03-14 · 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{NUUU2OA3ZAZBYSHT6LPNSAYAST}

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	2026-05-18T01:10:20.033810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d294d381bc8321c48f3f2ded9030094f0e7271efe9b62a3e77132e1c6455f46

Aliases

arxiv: 1603.04376 · arxiv_version: 1603.04376v3 · doi: 10.48550/arxiv.1603.04376 · pith_short_12: NUUU2OA3ZAZB · pith_short_16: NUUU2OA3ZAZBYSHT · pith_short_8: NUUU2OA3

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/NUUU2OA3ZAZBYSHT6LPNSAYAST \
  | 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: 6d294d381bc8321c48f3f2ded9030094f0e7271efe9b62a3e77132e1c6455f46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d77b1e81752616e267d9a8f84fb4e67e45b718101a95d8e98dbd73874e8ce295",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-03-14T18:11:21Z",
    "title_canon_sha256": "266a451b7cf9cc4dfdd0ae78119aa6c0501ab4bd9915420eada30abf0e1f6529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04376",
    "kind": "arxiv",
    "version": 3
  }
}