Pith Number

pith:VFS477F3

pith:2012:VFS477F3EH5GZ7D2XIOCJ3MFIP

not attested not anchored not stored refs pending

Space-Bounded Kolmogorov Extractors

Daniil Musatov

arxiv:1203.3674 v1 · 2012-03-16 · 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{VFS477F3EH5GZ7D2XIOCJ3MFIP}

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	2026-05-18T03:59:50.213340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a965cffcbb21fa6cfc7aba1c24ed8543da1220c182d046b1468cf00034e93232

Aliases

arxiv: 1203.3674 · arxiv_version: 1203.3674v1 · doi: 10.48550/arxiv.1203.3674 · pith_short_12: VFS477F3EH5G · pith_short_16: VFS477F3EH5GZ7D2 · pith_short_8: VFS477F3

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/VFS477F3EH5GZ7D2XIOCJ3MFIP \
  | 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: a965cffcbb21fa6cfc7aba1c24ed8543da1220c182d046b1468cf00034e93232

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df3ae46c233c0a46c9124f917b273eb34aaba7718e81f9b7736c6c6210f3e02d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2012-03-16T11:41:35Z",
    "title_canon_sha256": "8143b9f20a2d685bee1293bdf91fd294ce88623bd00150599aeb1142dfb2a3e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3674",
    "kind": "arxiv",
    "version": 1
  }
}