Pith Number

pith:PS5Y5WZF

pith:2019:PS5Y5WZF4X63YBOX6DXAI56A7W

not attested not anchored not stored refs pending

On Polynomial-Time Combinatorial Algorithms for Maximum $L$-Bounded Flow

Jan Voborn\'ik, Kate\v{r}ina Altmanov\'a, Petr Kolman

arxiv:1902.07568 v1 · 2019-02-20 · 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{PS5Y5WZF4X63YBOX6DXAI56A7W}

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	2026-05-17T23:53:07.474531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cbb8edb25e5fdbc05d7f0ee0477c0fda9f570618f6b1a2961585f037485e836

Aliases

arxiv: 1902.07568 · arxiv_version: 1902.07568v1 · doi: 10.48550/arxiv.1902.07568 · pith_short_12: PS5Y5WZF4X63 · pith_short_16: PS5Y5WZF4X63YBOX · pith_short_8: PS5Y5WZF

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/PS5Y5WZF4X63YBOX6DXAI56A7W \
  | 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: 7cbb8edb25e5fdbc05d7f0ee0477c0fda9f570618f6b1a2961585f037485e836

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b42b34844d322c9f4369e6a736379577896e936fa089c20628b44e456dcaf5cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-02-20T14:21:01Z",
    "title_canon_sha256": "a20fe4ba8794410ee482d79b0025680bcfaf96adf2e7eaec47b16b43ee0765c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07568",
    "kind": "arxiv",
    "version": 1
  }
}