Pith Number

pith:QAAEM3D5

pith:2015:QAAEM3D543BD652FLXCDPBFJOL

not attested not anchored not stored refs pending

Approximation of non-boolean 2CSP

Alexandra Kolla, Guy Kindler, Luca Trevisan

arxiv:1504.00681 v2 · 2015-04-02 · cs.DS · 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{QAAEM3D543BD652FLXCDPBFJOL}

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	2026-05-18T02:19:35.547247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8000466c7de6c23f77455dc43784a972d893dc834ddd6c3b105c0b3b6a582b85

Aliases

arxiv: 1504.00681 · arxiv_version: 1504.00681v2 · doi: 10.48550/arxiv.1504.00681 · pith_short_12: QAAEM3D543BD · pith_short_16: QAAEM3D543BD652F · pith_short_8: QAAEM3D5

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/QAAEM3D543BD652FLXCDPBFJOL \
  | 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: 8000466c7de6c23f77455dc43784a972d893dc834ddd6c3b105c0b3b6a582b85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9064418169baa26883b9474164a7e21f06c7c5b60d4b997d250917a3685eba5",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-04-02T20:05:58Z",
    "title_canon_sha256": "9c0c430bc7952d64f94816cca77e14605148bee332aac723b320074b089db769"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00681",
    "kind": "arxiv",
    "version": 2
  }
}