Pith Number

pith:VDZMSPH2

pith:2013:VDZMSPH2GG3SWLLNCAYZIITKUV

not attested not anchored not stored refs pending

The Frequent Paucity of Trivial Strings

Jack H. Lutz

arxiv:1310.6383 v2 · 2013-10-23 · 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{VDZMSPH2GG3SWLLNCAYZIITKUV}

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	2026-05-18T02:52:32.203207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8f2c93cfa31b72b2d6d103194226aa563c1aeaa5f19b4b6e3d1bc7521379e96

Aliases

arxiv: 1310.6383 · arxiv_version: 1310.6383v2 · doi: 10.48550/arxiv.1310.6383 · pith_short_12: VDZMSPH2GG3S · pith_short_16: VDZMSPH2GG3SWLLN · pith_short_8: VDZMSPH2

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/VDZMSPH2GG3SWLLNCAYZIITKUV \
  | 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: a8f2c93cfa31b72b2d6d103194226aa563c1aeaa5f19b4b6e3d1bc7521379e96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0bfd26f6cd595d84fb701d8da91c98c2f8247a5e4a58fb8460b1f023f448ac3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-10-23T20:33:14Z",
    "title_canon_sha256": "666c91f424c24ad8bd1a15eec3188d573ef49216134ed273d458ae19236e9cd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6383",
    "kind": "arxiv",
    "version": 2
  }
}