Pith Number

pith:UNS5RYQD

pith:2014:UNS5RYQDEJ445RHYZ4WR7TWAWM

not attested not anchored not stored refs pending

Top-Down Skiplists

Luis Barba, Pat Morin

arxiv:1407.7917 v1 · 2014-07-30 · 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{UNS5RYQDEJ445RHYZ4WR7TWAWM}

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	2026-05-18T02:46:14.191203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a365d8e2032279cec4f8cf2d1fcec0b3390c807a8d8ae986484afa53946e1c15

Aliases

arxiv: 1407.7917 · arxiv_version: 1407.7917v1 · doi: 10.48550/arxiv.1407.7917 · pith_short_12: UNS5RYQDEJ44 · pith_short_16: UNS5RYQDEJ445RHY · pith_short_8: UNS5RYQD

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/UNS5RYQDEJ445RHYZ4WR7TWAWM \
  | 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: a365d8e2032279cec4f8cf2d1fcec0b3390c807a8d8ae986484afa53946e1c15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88d0c3baff11b3bf273a1e69499486d9abd8c098ad320ec0966c4f1cbad9a56d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-07-30T01:24:34Z",
    "title_canon_sha256": "08d023813a3237305a7a2e47b4455583c771620dcf84b8f2c96537d78f7dbea2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7917",
    "kind": "arxiv",
    "version": 1
  }
}