Pith Number

pith:FC5GFE5I

pith:2014:FC5GFE5I6I7AZFOINCF5Y6GGWD

not attested not anchored not stored refs pending

Sparsification and subexponential approximation

Edouard Bonnet, Vangelis Th. Paschos

arxiv:1402.2843 v2 · 2014-02-12 · cs.CC · 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{FC5GFE5I6I7AZFOINCF5Y6GGWD}

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	2026-05-18T02:59:05.671915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ba6293a8f23e0c95c8688bdc78c6b0ed73ce263963b61f4f90aa5320395c71

Aliases

arxiv: 1402.2843 · arxiv_version: 1402.2843v2 · doi: 10.48550/arxiv.1402.2843 · pith_short_12: FC5GFE5I6I7A · pith_short_16: FC5GFE5I6I7AZFOI · pith_short_8: FC5GFE5I

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/FC5GFE5I6I7AZFOINCF5Y6GGWD \
  | 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: 28ba6293a8f23e0c95c8688bdc78c6b0ed73ce263963b61f4f90aa5320395c71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9a12570d174918582b4f25ac1acad5aaa40133aa1b0853e2ec645bae199869d",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-02-12T15:07:50Z",
    "title_canon_sha256": "c137daa55ce7634d5f071bcf4720b0c4f81249bf7693dc3f6733ec3ba1f34f5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2843",
    "kind": "arxiv",
    "version": 2
  }
}