Pith Number

pith:O2YWLB4F

pith:2018:O2YWLB4FADTT5WU67BKFJF4U4T

not attested not anchored not stored refs pending

Optimally Sorting Evolving Data

David Eppstein, Juan Jose Besa, Michael T. Goodrich, Timothy Johnson, William E. Devanny

arxiv:1805.03350 v1 · 2018-05-09 · 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{O2YWLB4FADTT5WU67BKFJF4U4T}

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	2026-05-18T00:16:20.422625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76b165878500e73eda9ef854549794e4e94f299c96dcfd8c409f193166783f89

Aliases

arxiv: 1805.03350 · arxiv_version: 1805.03350v1 · doi: 10.48550/arxiv.1805.03350 · pith_short_12: O2YWLB4FADTT · pith_short_16: O2YWLB4FADTT5WU6 · pith_short_8: O2YWLB4F

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/O2YWLB4FADTT5WU67BKFJF4U4T \
  | 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: 76b165878500e73eda9ef854549794e4e94f299c96dcfd8c409f193166783f89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00bb70760662ee498e3c6da4331ab8c57335aeff442bc2d9a8872b4893b2ce71",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-05-09T02:13:31Z",
    "title_canon_sha256": "16b50e2ba433d3c61a870c09181b0e25e1a71af248f542817ea9e09afd144541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03350",
    "kind": "arxiv",
    "version": 1
  }
}