Pith Number

pith:VTXYBVFN

pith:2013:VTXYBVFNIWANUNB4C3B5T7URNB

not attested not anchored not stored refs pending

A Characterization of Approximation Resistance

Madhur Tulsiani, Pratik Worah, Subhash Khot

arxiv:1305.5500 v2 · 2013-05-23 · 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{VTXYBVFNIWANUNB4C3B5T7URNB}

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	2026-05-18T03:09:22.112823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acef80d4ad4580da343c16c3d9fe91687311cd987d5c2d56839d1185a4b637f8

Aliases

arxiv: 1305.5500 · arxiv_version: 1305.5500v2 · doi: 10.48550/arxiv.1305.5500 · pith_short_12: VTXYBVFNIWAN · pith_short_16: VTXYBVFNIWANUNB4 · pith_short_8: VTXYBVFN

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/VTXYBVFNIWANUNB4C3B5T7URNB \
  | 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: acef80d4ad4580da343c16c3d9fe91687311cd987d5c2d56839d1185a4b637f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a094ff5db209d9fee8c8d89229c29ee45ae3ca45717a47f3d6d13a61e6f68326",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-05-23T17:52:58Z",
    "title_canon_sha256": "cfc3897c8759a02e5f65bd6d8545291c83e3a2b158b5448dffdd2d42134f2a13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5500",
    "kind": "arxiv",
    "version": 2
  }
}