Pith Number

pith:T2AJVSE2

pith:2011:T2AJVSE2EXSOTZT2MKPW5WQ6BP

not attested not anchored not stored refs pending

Variations on Multi-Core Nested Depth-First Search

Alfons Laarman (University of Twente), Jaco van de Pol (University of Twente)

arxiv:1111.0369 v1 · 2011-11-02 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T2AJVSE2EXSOTZT2MKPW5WQ6BP}

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	2026-05-18T04:09:45.185951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e809ac89a25e4e9e67a629f6eda1e0bc823740f41e6f5ad065482df37dee170

Aliases

arxiv: 1111.0369 · arxiv_version: 1111.0369v1 · doi: 10.48550/arxiv.1111.0369 · pith_short_12: T2AJVSE2EXSO · pith_short_16: T2AJVSE2EXSOTZT2 · pith_short_8: T2AJVSE2

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/T2AJVSE2EXSOTZT2MKPW5WQ6BP \
  | 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: 9e809ac89a25e4e9e67a629f6eda1e0bc823740f41e6f5ad065482df37dee170

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7912581c5ff1faa5a893ca79a4f68928b05dc23cfd9b86222707e818d55523fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-11-02T03:04:15Z",
    "title_canon_sha256": "aa8f4d1c2461ce480772a93a4b3ac5a3d981fbaf7f1770d384faf1b62e1d0124"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0369",
    "kind": "arxiv",
    "version": 1
  }
}