Pith Number

pith:HMDDDOI3

pith:2010:HMDDDOI34SDGOPDGTW347J6SOG

not attested not anchored not stored refs pending

On Universal Complexity Measures

John Scoville

arxiv:1005.2254 v9 · 2010-05-13 · cs.IT · cs.CC · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HMDDDOI34SDGOPDGTW347J6SOG}

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	2026-05-18T04:12:55.056915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b0631b91be486673c669db7cfa7d271bcba471a8444582214a4241cdefe0ac6

Aliases

arxiv: 1005.2254 · arxiv_version: 1005.2254v9 · doi: 10.48550/arxiv.1005.2254 · pith_short_12: HMDDDOI34SDG · pith_short_16: HMDDDOI34SDGOPDG · pith_short_8: HMDDDOI3

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/HMDDDOI34SDGOPDGTW347J6SOG \
  | 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: 3b0631b91be486673c669db7cfa7d271bcba471a8444582214a4241cdefe0ac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a043e5c000c4638e6ccd3207422aa1adc89a89baf7c7d866219ead8a5e85753",
    "cross_cats_sorted": [
      "cs.CC",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-05-13T03:45:44Z",
    "title_canon_sha256": "79b6cc115d471e94b7191f7fdbc2c31a0d12d37bc2f0ff3aa5717949eedfa8e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2254",
    "kind": "arxiv",
    "version": 9
  }
}