Pith Number

pith:HEKQBPXT

pith:2022:HEKQBPXTEB5B5TGN2CNMJIFMBB

not attested not anchored not stored refs pending

Lower Bounds on Retroactive Data Structures

Dylan Hendrickson, Erik D. Demaine, Jayson Lynch, Lily Chung

arxiv:2211.14664 v1 · 2022-11-26 · 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{HEKQBPXTEB5B5TGN2CNMJIFMBB}

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	2026-07-05T05:19:42.359215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

391500bef3207a1ecccdd09ac4a0ac086217672ff9f62afc3320aecd4ec867ab

Aliases

arxiv: 2211.14664 · arxiv_version: 2211.14664v1 · doi: 10.48550/arxiv.2211.14664 · pith_short_12: HEKQBPXTEB5B · pith_short_16: HEKQBPXTEB5B5TGN · pith_short_8: HEKQBPXT

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/HEKQBPXTEB5B5TGN2CNMJIFMBB \
  | 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: 391500bef3207a1ecccdd09ac4a0ac086217672ff9f62afc3320aecd4ec867ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "486b593c1bb53cd9d0ff5ec507d1fb13c30f27605f4ddf3681a4235208e34dd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2022-11-26T21:01:29Z",
    "title_canon_sha256": "dc12d0da5a1986a1b095fdc23dace20a31b4f07f5dccc89fb6956803d698ddac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.14664",
    "kind": "arxiv",
    "version": 1
  }
}