Pith Number

pith:NA6QC7GR

pith:2013:NA6QC7GRUGWOTKAYVWLRE32ZUL

not attested not anchored not stored refs pending

Sparse Fault-Tolerant BFS Trees

David Peleg, Merav Parter

arxiv:1302.5401 v1 · 2013-02-21 · 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{NA6QC7GRUGWOTKAYVWLRE32ZUL}

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	2026-05-18T03:32:57.759173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

683d017cd1a1ace9a818ad97126f59a2e286652704b83524d17354460b440afe

Aliases

arxiv: 1302.5401 · arxiv_version: 1302.5401v1 · doi: 10.48550/arxiv.1302.5401 · pith_short_12: NA6QC7GRUGWO · pith_short_16: NA6QC7GRUGWOTKAY · pith_short_8: NA6QC7GR

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/NA6QC7GRUGWOTKAYVWLRE32ZUL \
  | 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: 683d017cd1a1ace9a818ad97126f59a2e286652704b83524d17354460b440afe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8dac3eaf5e16a10b8bd87fbca502a744247a71468949e59d2aa194fa91eb548",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-02-21T20:19:31Z",
    "title_canon_sha256": "086a8173984eee1b21fde957d9a6148fdfbf185ed59b8b17203870252cc16230"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5401",
    "kind": "arxiv",
    "version": 1
  }
}