Pith Number

pith:BJW7ECYY

pith:2017:BJW7ECYY5EJCMKGOLVXO22WNHA

not attested not anchored not stored refs pending

The Complexity of Human Computation: A Concrete Model with an Application to Passwords

Manuel Blum, Santosh Vempala

arxiv:1707.01204 v1 · 2017-07-05 · cs.HC · cs.CC · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJW7ECYY5EJCMKGOLVXO22WNHA}

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.

Cited by

1 paper in Pith

Unexplainability and Incomprehensibility of Artificial Intelligence

Receipt and verification

First computed	2026-05-18T00:40:53.450888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a6df20b18e9122628ce5d6eed6acd381ba5d3fb91acbecfc92a827c4c8a8534

Aliases

arxiv: 1707.01204 · arxiv_version: 1707.01204v1 · doi: 10.48550/arxiv.1707.01204 · pith_short_12: BJW7ECYY5EJC · pith_short_16: BJW7ECYY5EJCMKGO · pith_short_8: BJW7ECYY

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/BJW7ECYY5EJCMKGOLVXO22WNHA \
  | 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: 0a6df20b18e9122628ce5d6eed6acd381ba5d3fb91acbecfc92a827c4c8a8534

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16e7605b96db54bf5e08e7cffc1271dc96f99efe1687af3fc737cd6ca1812bc7",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2017-07-05T03:25:52Z",
    "title_canon_sha256": "2c86c6ff2f4894d0501b794e338e2406d5f1845601d0b8cd066e59ea9ccabfe0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01204",
    "kind": "arxiv",
    "version": 1
  }
}