Pith Number

pith:UOWDMYVT

pith:2009:UOWDMYVTXXGHV36YQNR53UJNLV

not attested not anchored not stored refs pending

Acceptable Complexity Measures of Theorems

Bruno Grenet

arxiv:0910.0045 v1 · 2009-09-30 · cs.LO · cs.IT · 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{UOWDMYVTXXGHV36YQNR53UJNLV}

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	2026-05-18T04:18:45.186419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3ac3662b3bdcc7aefd88363ddd12d5d7238dd21772f88b5a427eac8db5f8beb

Aliases

arxiv: 0910.0045 · arxiv_version: 0910.0045v1 · doi: 10.48550/arxiv.0910.0045 · pith_short_12: UOWDMYVTXXGH · pith_short_16: UOWDMYVTXXGHV36Y · pith_short_8: UOWDMYVT

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/UOWDMYVTXXGHV36YQNR53UJNLV \
  | 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: a3ac3662b3bdcc7aefd88363ddd12d5d7238dd21772f88b5a427eac8db5f8beb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f84b978e015ad8edf1c85f8dcf0d3543aa83e5aabd868ae9273d1106254bc690",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2009-09-30T22:25:37Z",
    "title_canon_sha256": "bec06754fc683f859cacc15e840a5e33dad19e2b1a9a556c6590a25909be0b82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0045",
    "kind": "arxiv",
    "version": 1
  }
}