Pith Number

pith:L3ZLL5ZS

pith:2009:L3ZLL5ZS7NVENCMNRBUWDJNR3I

not attested not anchored not stored refs pending

Efficient Fully-Compressed Sequence Representations

Francisco Claude, Gonzalo Navarro, Jeremy Barbay, Travis Gagie, Yakov Nekrich

arxiv:0911.4981 v4 · 2009-11-25 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L3ZLL5ZS7NVENCMNRBUWDJNR3I}

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	2026-05-18T03:58:51.871390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ef2b5f732fb6a46898d886961a5b1da1a0f828d2334d616c51b884e5038aa73

Aliases

arxiv: 0911.4981 · arxiv_version: 0911.4981v4 · doi: 10.48550/arxiv.0911.4981 · pith_short_12: L3ZLL5ZS7NVE · pith_short_16: L3ZLL5ZS7NVENCMN · pith_short_8: L3ZLL5ZS

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/L3ZLL5ZS7NVENCMNRBUWDJNR3I \
  | 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: 5ef2b5f732fb6a46898d886961a5b1da1a0f828d2334d616c51b884e5038aa73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07f90c83bd72d44242e6b84dafbf26d0086ca1b6cbcc05214e607f8fe09c3540",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2009-11-25T23:31:23Z",
    "title_canon_sha256": "b986c5b1f2abaab43478d058d80db61e36501a8eabbfd7f9635f35bdd3719024"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4981",
    "kind": "arxiv",
    "version": 4
  }
}