Pith Number

pith:PPTNORK7

pith:2012:PPTNORK7AH53TJVMY3WNCQQOCF

not attested not anchored not stored refs pending

Single pass sparsification in the streaming model with edge deletions

Ashish Goel, Ian Post, Michael Kapralov

arxiv:1203.4900 v1 · 2012-03-22 · 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{PPTNORK7AH53TJVMY3WNCQQOCF}

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	2026-05-18T03:59:28.435648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7be6d7455f01fbb9a6acc6ecd1420e1155c64c81a8c23f4faf1c37a8bea32148

Aliases

arxiv: 1203.4900 · arxiv_version: 1203.4900v1 · doi: 10.48550/arxiv.1203.4900 · pith_short_12: PPTNORK7AH53 · pith_short_16: PPTNORK7AH53TJVM · pith_short_8: PPTNORK7

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/PPTNORK7AH53TJVMY3WNCQQOCF \
  | 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: 7be6d7455f01fbb9a6acc6ecd1420e1155c64c81a8c23f4faf1c37a8bea32148

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58f4f65c44f1d2bba342318baa153fd8a0375dc4a16e19caf8e38064072edb7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-03-22T07:45:13Z",
    "title_canon_sha256": "5353974959d72d78bf00eb8db6f91909a84ebb134650ee8422c11c72f5037a32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4900",
    "kind": "arxiv",
    "version": 1
  }
}