Pith Number

pith:4U6UVYVE

pith:2010:4U6UVYVE3IHR4RR74QMYGPCM5K

not attested not anchored not stored refs pending

On disjoint paths in acyclic planar graphs

Guyslain Naves

arxiv:1008.3652 v1 · 2010-08-21 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4U6UVYVE3IHR4RR74QMYGPCM5K}

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	2026-05-18T04:41:55.426379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e53d4ae2a4da0f1e463fe419833c4cea89987eebd832086fa914dd3461b183bd

Aliases

arxiv: 1008.3652 · arxiv_version: 1008.3652v1 · doi: 10.48550/arxiv.1008.3652 · pith_short_12: 4U6UVYVE3IHR · pith_short_16: 4U6UVYVE3IHR4RR7 · pith_short_8: 4U6UVYVE

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/4U6UVYVE3IHR4RR74QMYGPCM5K \
  | 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: e53d4ae2a4da0f1e463fe419833c4cea89987eebd832086fa914dd3461b183bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb80257d45ca7f22de04941b774651b7b714765bf9d12131d275ef790a2baf6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2010-08-21T18:33:15Z",
    "title_canon_sha256": "75ad078db5c1deef066b392dfe926e4dda1365daf0c78168c8f8a01be63e4df6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3652",
    "kind": "arxiv",
    "version": 1
  }
}