Pith Number

pith:7TSWJVEV

pith:2017:7TSWJVEV4Q7AX4U2RLRQHGDMTH

not attested not anchored not stored refs pending

Existence versus Exploitation: The Opacity of Backbones and Backdoors Under a Weak Assumption

David E. Narv\'aez, Lane A. Hemaspaandra

arxiv:1706.04582 v8 · 2017-06-14 · cs.AI · cs.CC · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7TSWJVEV4Q7AX4U2RLRQHGDMTH}

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	2026-05-18T00:01:43.878563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fce564d495e43e0bf29a8ae303986c99c93d5749d77de86498e545f408436be7

Aliases

arxiv: 1706.04582 · arxiv_version: 1706.04582v8 · doi: 10.48550/arxiv.1706.04582 · pith_short_12: 7TSWJVEV4Q7A · pith_short_16: 7TSWJVEV4Q7AX4U2 · pith_short_8: 7TSWJVEV

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/7TSWJVEV4Q7AX4U2RLRQHGDMTH \
  | 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: fce564d495e43e0bf29a8ae303986c99c93d5749d77de86498e545f408436be7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff81de7e551d6e399683d21d993fae0e9a582a88ab95d86f3ab701732d75b555",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-06-14T16:46:01Z",
    "title_canon_sha256": "5ba6caa5371bce5e3253a5db858b553fda4bf3fc8bb635cfc4b2dfa7b729c0dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04582",
    "kind": "arxiv",
    "version": 8
  }
}