Pith Number

pith:5B5LSD2F

pith:2015:5B5LSD2FZPGWSIWJRFKHDQOYSF

not attested not anchored not stored refs pending

Counting Inversions Adaptively

Amr Elmasry

arxiv:1503.01192 v1 · 2015-03-04 · 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{5B5LSD2FZPGWSIWJRFKHDQOYSF}

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	2026-05-18T02:25:39.663815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e87ab90f45cbcd6922c9895471c1d89156a97a9f8039bb9d4e3c9172fc72cb07

Aliases

arxiv: 1503.01192 · arxiv_version: 1503.01192v1 · doi: 10.48550/arxiv.1503.01192 · pith_short_12: 5B5LSD2FZPGW · pith_short_16: 5B5LSD2FZPGWSIWJ · pith_short_8: 5B5LSD2F

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/5B5LSD2FZPGWSIWJRFKHDQOYSF \
  | 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: e87ab90f45cbcd6922c9895471c1d89156a97a9f8039bb9d4e3c9172fc72cb07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a563e8aadc828e86dc3d336522f942c2534824f25eb7a058ba3b1eec50a3e64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-03-04T01:50:20Z",
    "title_canon_sha256": "d7a19a2cba1c42deea91c59e7e976543d44b0cc92b71b0075408c773b57864e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01192",
    "kind": "arxiv",
    "version": 1
  }
}