Pith Number

pith:L4THMDDM

pith:2016:L4THMDDMVYII3ZWJCTEWMGWH5L

not attested not anchored not stored refs pending

Engineering a Distributed Full-Text Index

Florian Kurpicz, Johannes Fischer, Peter Sanders

arxiv:1610.03332 v2 · 2016-10-11 · 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{L4THMDDMVYII3ZWJCTEWMGWH5L}

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	2026-05-18T00:55:51.678039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f26760c6cae108de6c914c9661ac7eac0a1fad09ff2dab338460faf167bd22b

Aliases

arxiv: 1610.03332 · arxiv_version: 1610.03332v2 · doi: 10.48550/arxiv.1610.03332 · pith_short_12: L4THMDDMVYII · pith_short_16: L4THMDDMVYII3ZWJ · pith_short_8: L4THMDDM

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/L4THMDDMVYII3ZWJCTEWMGWH5L \
  | 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: 5f26760c6cae108de6c914c9661ac7eac0a1fad09ff2dab338460faf167bd22b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0ece017d43e5eef9c2f4252f52375772fc46c3386ed9114bef26d052e50301d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-10-11T13:46:54Z",
    "title_canon_sha256": "69a17752e0ec250931eb830dee12c0b27daaf3610964e8e417eadc0d059fabb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03332",
    "kind": "arxiv",
    "version": 2
  }
}