Pith Number

pith:LTIQ7TKL

pith:2018:LTIQ7TKLWHVBY4KN7OTZU23B3H

not attested not anchored not stored refs pending

Fast Breadth-First Search in Still Less Space

Torben Hagerup

arxiv:1812.10950 v2 · 2018-12-28 · 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{LTIQ7TKLWHVBY4KN7OTZU23B3H}

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	2026-05-17T23:53:55.498671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cd10fcd4bb1ea1c714dfba79a6b61d9cf6b9566e340693a594dea0a2e8a8d43

Aliases

arxiv: 1812.10950 · arxiv_version: 1812.10950v2 · doi: 10.48550/arxiv.1812.10950 · pith_short_12: LTIQ7TKLWHVB · pith_short_16: LTIQ7TKLWHVBY4KN · pith_short_8: LTIQ7TKL

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/LTIQ7TKLWHVBY4KN7OTZU23B3H \
  | 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: 5cd10fcd4bb1ea1c714dfba79a6b61d9cf6b9566e340693a594dea0a2e8a8d43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bd4045fa84f72627feaf462638f9a9083a8a8d7a55fad715876a014b4b21613",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-12-28T10:43:12Z",
    "title_canon_sha256": "9174caa198b76ebbb9029d0230ae0b3f952ec3801cf99b42955d52fed8172aec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10950",
    "kind": "arxiv",
    "version": 2
  }
}