Pith Number

pith:YGPAYYXM

pith:2021:YGPAYYXM6PQAZSPH6DGUW4OR4G

not attested not anchored not stored refs pending

Pebbles, Graphs, and a Pinch of Combinatorics: Towards Tight I/O Lower Bounds for Statically Analyzable Programs

Alexandros Nikolaos Ziogas, Alexandru Calotoiu, Grzegorz Kwasniewski, Lukas Gianinazzi, Maciej Besta, Tal Ben-Nun, Timo Schneider, Torsten Hoefler

arxiv:2105.07203 v1 · 2021-05-15 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YGPAYYXM6PQAZSPH6DGUW4OR4G}

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	2026-07-05T02:40:38.579420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c19e0c62ecf3e00cc9e7f0cd4b71d1e1ab6b4ca0b9af1e520cb0fbe814e4421f

Aliases

arxiv: 2105.07203 · arxiv_version: 2105.07203v1 · doi: 10.48550/arxiv.2105.07203 · pith_short_12: YGPAYYXM6PQA · pith_short_16: YGPAYYXM6PQAZSPH · pith_short_8: YGPAYYXM

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/YGPAYYXM6PQAZSPH6DGUW4OR4G \
  | 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: c19e0c62ecf3e00cc9e7f0cd4b71d1e1ab6b4ca0b9af1e520cb0fbe814e4421f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7f657f280e354eecd2504f5827145ca1d97093cd9c8f7075fa0b7a8f156901d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2021-05-15T11:35:00Z",
    "title_canon_sha256": "4ba779bdf3fbf119ada49fcaa0d475ede444c05af7ea5c7ee93d9416a6e7abdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.07203",
    "kind": "arxiv",
    "version": 1
  }
}