Pith Number

pith:ZWYW7CSF

pith:2012:ZWYW7CSFDBS3XWFX24LWK2VQAS

not attested not anchored not stored refs pending

A note on: No need to choose: How to get both a PTAS and Sublinear Query Complexity

Nir Ailon, Zohar Karnin

arxiv:1204.6588 v1 · 2012-04-30 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZWYW7CSFDBS3XWFX24LWK2VQAS}

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	2026-05-18T03:56:44.375300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdb16f8a451865bbd8b7d717656ab004842d83840949c393c64c0b5ecb400311

Aliases

arxiv: 1204.6588 · arxiv_version: 1204.6588v1 · doi: 10.48550/arxiv.1204.6588 · pith_short_12: ZWYW7CSFDBS3 · pith_short_16: ZWYW7CSFDBS3XWFX · pith_short_8: ZWYW7CSF

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/ZWYW7CSFDBS3XWFX24LWK2VQAS \
  | 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: cdb16f8a451865bbd8b7d717656ab004842d83840949c393c64c0b5ecb400311

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cad0ee3c70076ee904aa84bf7524914fc80b00afbfda5851e56bc6543dbbda5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2012-04-30T10:34:58Z",
    "title_canon_sha256": "ff1aee3166958be5dd06517780fef3d841b6ca20b410164249883ee77a606dee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6588",
    "kind": "arxiv",
    "version": 1
  }
}