Pith Number

pith:UDWQBKQL

pith:2019:UDWQBKQLY6PS54ZFK7H4N24DNR

not attested not anchored not stored refs pending

A New Approach to Speed up Combinatorial Search Strategies Using Stack and Hash Table

Bestoun S. Ahmed, Kamal Z. Zamli, Luca M. Gambardella

arxiv:1904.02960 v1 · 2019-04-05 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDWQBKQLY6PS54ZFK7H4N24DNR}

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	2026-05-17T23:49:19.082072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0ed00aa0bc79f2ef32557cfc6eb836c5ef5c15acbbf17842e7367301099582b

Aliases

arxiv: 1904.02960 · arxiv_version: 1904.02960v1 · doi: 10.48550/arxiv.1904.02960 · pith_short_12: UDWQBKQLY6PS · pith_short_16: UDWQBKQLY6PS54ZF · pith_short_8: UDWQBKQL

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/UDWQBKQLY6PS54ZFK7H4N24DNR \
  | 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: a0ed00aa0bc79f2ef32557cfc6eb836c5ef5c15acbbf17842e7367301099582b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1f3816491140b2b352f5bbadd48adb9e5cbae93fdcc5e27fd27c49a7421b1b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-04-05T09:46:25Z",
    "title_canon_sha256": "bae4d0a3a21ed4524dba1b5c5bcca3ca030cf8d41da12228db04c51269cd766a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02960",
    "kind": "arxiv",
    "version": 1
  }
}